diff --git a/abstract-document/pom.xml b/abstract-document/pom.xml
index 85215a021628..766deabb38de 100644
--- a/abstract-document/pom.xml
+++ b/abstract-document/pom.xml
@@ -29,7 +29,7 @@
     <parent>
         <artifactId>java-design-patterns</artifactId>
         <groupId>com.iluwatar</groupId>
-        <version>1.15.0-SNAPSHOT</version>
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     <artifactId>abstract-document</artifactId>
     <dependencies>
diff --git a/abstract-factory/pom.xml b/abstract-factory/pom.xml
index e3129f6f0db3..f1d37068cc78 100644
--- a/abstract-factory/pom.xml
+++ b/abstract-factory/pom.xml
@@ -29,7 +29,7 @@
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     <artifactId>java-design-patterns</artifactId>
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   <artifactId>abstract-factory</artifactId>
   <dependencies>
diff --git a/adapter/pom.xml b/adapter/pom.xml
index 83462f28c948..aa87cb8d54f0 100644
--- a/adapter/pom.xml
+++ b/adapter/pom.xml
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   <artifactId>adapter</artifactId>
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diff --git a/aggregator-microservices/aggregator-service/pom.xml b/aggregator-microservices/aggregator-service/pom.xml
index 64b27f12d45a..1a7c75845760 100644
--- a/aggregator-microservices/aggregator-service/pom.xml
+++ b/aggregator-microservices/aggregator-service/pom.xml
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diff --git a/aggregator-microservices/information-microservice/pom.xml b/aggregator-microservices/information-microservice/pom.xml
index 3cb68099b63b..2a323e06d7d2 100644
--- a/aggregator-microservices/information-microservice/pom.xml
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diff --git a/aggregator-microservices/inventory-microservice/pom.xml b/aggregator-microservices/inventory-microservice/pom.xml
index 027105e7f767..145f1d4302d2 100644
--- a/aggregator-microservices/inventory-microservice/pom.xml
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diff --git a/aggregator-microservices/pom.xml b/aggregator-microservices/pom.xml
index a389751772b7..e7ff8819ce1c 100644
--- a/aggregator-microservices/pom.xml
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diff --git a/api-gateway/api-gateway-service/pom.xml b/api-gateway/api-gateway-service/pom.xml
index 3bd2392fae78..4e820b0f52af 100644
--- a/api-gateway/api-gateway-service/pom.xml
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diff --git a/api-gateway/image-microservice/pom.xml b/api-gateway/image-microservice/pom.xml
index d42b319335c5..73bc99c48487 100644
--- a/api-gateway/image-microservice/pom.xml
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diff --git a/api-gateway/pom.xml b/api-gateway/pom.xml
index de2b3f099163..dd07d1828307 100644
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diff --git a/api-gateway/price-microservice/pom.xml b/api-gateway/price-microservice/pom.xml
index 8a9a6f379f9a..6cb04d7538a4 100644
--- a/api-gateway/price-microservice/pom.xml
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   <modelVersion>4.0.0</modelVersion>
diff --git a/async-method-invocation/pom.xml b/async-method-invocation/pom.xml
index dc5b64404e14..dda91cfce0a1 100644
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diff --git a/balking/pom.xml b/balking/pom.xml
index ad066aee6cdc..f33a74fdb186 100644
--- a/balking/pom.xml
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diff --git a/bridge/pom.xml b/bridge/pom.xml
index ec04ff3952f4..f67ec274b7ad 100644
--- a/bridge/pom.xml
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diff --git a/builder/pom.xml b/builder/pom.xml
index 305de70bd4cb..69177f27b0b3 100644
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diff --git a/business-delegate/pom.xml b/business-delegate/pom.xml
index d5fde8ea3782..fa8f1658d1df 100644
--- a/business-delegate/pom.xml
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@@ -30,7 +30,7 @@
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 		<groupId>com.iluwatar</groupId>
 		<artifactId>java-design-patterns</artifactId>
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 	<artifactId>business-delegate</artifactId>
 	<dependencies>
diff --git a/caching/pom.xml b/caching/pom.xml
index 6d866eb03d72..632f9d70a736 100644
--- a/caching/pom.xml
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diff --git a/callback/pom.xml b/callback/pom.xml
index 2b8d1fec629a..f07bc276a03f 100644
--- a/callback/pom.xml
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   <artifactId>callback</artifactId>
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diff --git a/chain/pom.xml b/chain/pom.xml
index 81aaf7e1f549..1a3d0be20e1c 100644
--- a/chain/pom.xml
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   <artifactId>chain</artifactId>
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diff --git a/command/pom.xml b/command/pom.xml
index e50be3e3d354..e7810fb032f2 100644
--- a/command/pom.xml
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   <artifactId>command</artifactId>
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diff --git a/composite/pom.xml b/composite/pom.xml
index 1075029639e1..5b5e2a0bc414 100644
--- a/composite/pom.xml
+++ b/composite/pom.xml
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   <artifactId>composite</artifactId>
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diff --git a/converter/pom.xml b/converter/pom.xml
index 01f1171a19f8..350bf4d7f0e2 100644
--- a/converter/pom.xml
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     <modelVersion>4.0.0</modelVersion>
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diff --git a/dao/pom.xml b/dao/pom.xml
index 374a1c14c201..5f23fbd12883 100644
--- a/dao/pom.xml
+++ b/dao/pom.xml
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   <artifactId>dao</artifactId>
 
diff --git a/data-mapper/pom.xml b/data-mapper/pom.xml
index c23868a4efcf..1d5a05e60b70 100644
--- a/data-mapper/pom.xml
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 		<groupId>com.iluwatar</groupId>
 		<artifactId>java-design-patterns</artifactId>
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 	<artifactId>data-mapper</artifactId>
 	<dependencies>
diff --git a/decorator/pom.xml b/decorator/pom.xml
index 51684065c72b..ae3eb99ec187 100644
--- a/decorator/pom.xml
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   <artifactId>decorator</artifactId>
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diff --git a/delegation/pom.xml b/delegation/pom.xml
index cf0349024723..a6f18882df9d 100644
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diff --git a/dependency-injection/pom.xml b/dependency-injection/pom.xml
index 603bb2c05975..eb83e53216d2 100644
--- a/dependency-injection/pom.xml
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diff --git a/double-checked-locking/pom.xml b/double-checked-locking/pom.xml
index 0b0541b8f372..f73ff254b7f6 100644
--- a/double-checked-locking/pom.xml
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diff --git a/double-dispatch/pom.xml b/double-dispatch/pom.xml
index b15e76f889fa..ce2520aeffd9 100644
--- a/double-dispatch/pom.xml
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diff --git a/event-aggregator/pom.xml b/event-aggregator/pom.xml
index 3bf8c281b92a..ed5113f596c3 100644
--- a/event-aggregator/pom.xml
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 		<groupId>com.iluwatar</groupId>
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diff --git a/event-asynchronous/pom.xml b/event-asynchronous/pom.xml
index 9fecfa606b4c..5aa2eef38a12 100644
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diff --git a/event-driven-architecture/pom.xml b/event-driven-architecture/pom.xml
index 2ced1abdacb6..1ddc6623210c 100644
--- a/event-driven-architecture/pom.xml
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     <artifactId>event-driven-architecture</artifactId>
diff --git a/execute-around/pom.xml b/execute-around/pom.xml
index acc36b4b4f9d..f07fe309e574 100644
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diff --git a/facade/pom.xml b/facade/pom.xml
index 0f1fa868881c..97dc8c338981 100644
--- a/facade/pom.xml
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diff --git a/factory-kit/pom.xml b/factory-kit/pom.xml
index f356fc3b8d02..06cf9b7e3008 100644
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diff --git a/factory-method/pom.xml b/factory-method/pom.xml
index d6359ff03610..a7625ff64347 100644
--- a/factory-method/pom.xml
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diff --git a/feature-toggle/pom.xml b/feature-toggle/pom.xml
index e2635f228bd9..46e558c2d65b 100644
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diff --git a/fluentinterface/pom.xml b/fluentinterface/pom.xml
index 8d815079caa7..b26c29fb4495 100644
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diff --git a/flux/pom.xml b/flux/pom.xml
index aa0c9579623e..667e851f5850 100644
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diff --git a/flyweight/pom.xml b/flyweight/pom.xml
index 2c210a0ca45f..162402ab050e 100644
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diff --git a/front-controller/pom.xml b/front-controller/pom.xml
index 11802d2f502d..88d7bcebc7a9 100644
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diff --git a/guarded-suspension/pom.xml b/guarded-suspension/pom.xml
index b51de54e1742..12b7efbc79ba 100644
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diff --git a/half-sync-half-async/pom.xml b/half-sync-half-async/pom.xml
index 4b3285ff16c3..7a199b09ceea 100644
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diff --git a/hexagonal/pom.xml b/hexagonal/pom.xml
index 2cf88b626cad..0557aa545c30 100644
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diff --git a/intercepting-filter/pom.xml b/intercepting-filter/pom.xml
index 2c23edff2326..d02047137458 100644
--- a/intercepting-filter/pom.xml
+++ b/intercepting-filter/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>intercepting-filter</artifactId>
   <dependencies>
diff --git a/interpreter/pom.xml b/interpreter/pom.xml
index a932e10b495a..743326b488dd 100644
--- a/interpreter/pom.xml
+++ b/interpreter/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>interpreter</artifactId>
   <dependencies>
diff --git a/iterator/pom.xml b/iterator/pom.xml
index 3fcdd9852755..74ad6fed4478 100644
--- a/iterator/pom.xml
+++ b/iterator/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>iterator</artifactId>
   <dependencies>
diff --git a/layers/pom.xml b/layers/pom.xml
index 13604cb0e3c9..3d012389d9ff 100644
--- a/layers/pom.xml
+++ b/layers/pom.xml
@@ -30,7 +30,7 @@
 	<parent>
 		<groupId>com.iluwatar</groupId>
 		<artifactId>java-design-patterns</artifactId>
-		<version>1.15.0-SNAPSHOT</version>
+		<version>1.15.0</version>
 	</parent>
 	<groupId>com.iluwatar.layers</groupId>
 	<artifactId>layers</artifactId>
diff --git a/lazy-loading/pom.xml b/lazy-loading/pom.xml
index 2ed0a1020f03..d4d4ba1448cf 100644
--- a/lazy-loading/pom.xml
+++ b/lazy-loading/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>lazy-loading</artifactId>
   <dependencies>
diff --git a/mediator/pom.xml b/mediator/pom.xml
index b9fda50a5fae..7b20330afaa1 100644
--- a/mediator/pom.xml
+++ b/mediator/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>mediator</artifactId>
   <dependencies>
diff --git a/memento/pom.xml b/memento/pom.xml
index e6cd095d932a..eeef15c417e7 100644
--- a/memento/pom.xml
+++ b/memento/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>memento</artifactId>
   <dependencies>
diff --git a/message-channel/pom.xml b/message-channel/pom.xml
index 98b2a0c2e964..6198e6ffa60b 100644
--- a/message-channel/pom.xml
+++ b/message-channel/pom.xml
@@ -30,7 +30,7 @@
 	<parent>
 		<groupId>com.iluwatar</groupId>
 		<artifactId>java-design-patterns</artifactId>
-		<version>1.15.0-SNAPSHOT</version>
+		<version>1.15.0</version>
 	</parent>
 	<artifactId>message-channel</artifactId>
 	<dependencies>
diff --git a/model-view-controller/pom.xml b/model-view-controller/pom.xml
index 29823d9e848a..82fabee557c8 100644
--- a/model-view-controller/pom.xml
+++ b/model-view-controller/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>model-view-controller</artifactId>
   <dependencies>
diff --git a/model-view-presenter/pom.xml b/model-view-presenter/pom.xml
index 6c43a0048051..9d3ccdf6bc1a 100644
--- a/model-view-presenter/pom.xml
+++ b/model-view-presenter/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>model-view-presenter</artifactId>
   <name>model-view-presenter</name>
diff --git a/module/pom.xml b/module/pom.xml
index 8920916cb6bd..f1338d3e6d3e 100644
--- a/module/pom.xml
+++ b/module/pom.xml
@@ -28,7 +28,7 @@
 	<parent>
 		<groupId>com.iluwatar</groupId>
 		<artifactId>java-design-patterns</artifactId>
-		<version>1.15.0-SNAPSHOT</version>
+		<version>1.15.0</version>
 	</parent>
 	<artifactId>module</artifactId>
 	<dependencies>
diff --git a/monad/pom.xml b/monad/pom.xml
index 63d6431db136..adb0b3b4fada 100644
--- a/monad/pom.xml
+++ b/monad/pom.xml
@@ -29,7 +29,7 @@
     <parent>
         <groupId>com.iluwatar</groupId>
         <artifactId>java-design-patterns</artifactId>
-        <version>1.15.0-SNAPSHOT</version>
+        <version>1.15.0</version>
     </parent>
     <artifactId>monad</artifactId>
     <dependencies>
diff --git a/monostate/pom.xml b/monostate/pom.xml
index bc025fdeb9fb..498e79b0645e 100644
--- a/monostate/pom.xml
+++ b/monostate/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>monostate</artifactId>
   <dependencies>
diff --git a/multiton/pom.xml b/multiton/pom.xml
index 34cc4ae8d168..aabc725765b3 100644
--- a/multiton/pom.xml
+++ b/multiton/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>multiton</artifactId>
   <dependencies>
diff --git a/mute-idiom/pom.xml b/mute-idiom/pom.xml
index d68b016f9b3f..036bb759ba96 100644
--- a/mute-idiom/pom.xml
+++ b/mute-idiom/pom.xml
@@ -21,7 +21,7 @@
 	<parent>
 		<groupId>com.iluwatar</groupId>
 		<artifactId>java-design-patterns</artifactId>
-		<version>1.15.0-SNAPSHOT</version>
+		<version>1.15.0</version>
 	</parent>
 	<artifactId>mute-idiom</artifactId>
 	<dependencies>
diff --git a/mutex/pom.xml b/mutex/pom.xml
index d42a2fdabb46..a12ba29da883 100644
--- a/mutex/pom.xml
+++ b/mutex/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>mutex</artifactId>
   <dependencies>
diff --git a/naked-objects/dom/pom.xml b/naked-objects/dom/pom.xml
index 39560b5c0ea5..895a8a8d28de 100644
--- a/naked-objects/dom/pom.xml
+++ b/naked-objects/dom/pom.xml
@@ -16,7 +16,7 @@
 	<parent>
 		<groupId>com.iluwatar</groupId>
 		<artifactId>naked-objects</artifactId>
-		<version>1.15.0-SNAPSHOT</version>
+		<version>1.15.0</version>
 	</parent>
 
 	<artifactId>naked-objects-dom</artifactId>
diff --git a/naked-objects/fixture/pom.xml b/naked-objects/fixture/pom.xml
index a96c2462629a..b11796435f44 100644
--- a/naked-objects/fixture/pom.xml
+++ b/naked-objects/fixture/pom.xml
@@ -16,7 +16,7 @@
 	<parent>
 		<groupId>com.iluwatar</groupId>
 		<artifactId>naked-objects</artifactId>
-		<version>1.15.0-SNAPSHOT</version>
+		<version>1.15.0</version>
 	</parent>
 
 	<artifactId>naked-objects-fixture</artifactId>
diff --git a/naked-objects/integtests/pom.xml b/naked-objects/integtests/pom.xml
index 32ec4cd6ba89..d44c045f45d4 100644
--- a/naked-objects/integtests/pom.xml
+++ b/naked-objects/integtests/pom.xml
@@ -16,7 +16,7 @@
 	<parent>
 		<groupId>com.iluwatar</groupId>
 		<artifactId>naked-objects</artifactId>
-		<version>1.15.0-SNAPSHOT</version>
+		<version>1.15.0</version>
 	</parent>
 
 	<artifactId>naked-objects-integtests</artifactId>
diff --git a/naked-objects/pom.xml b/naked-objects/pom.xml
index d8acdc745c41..c71209513c3e 100644
--- a/naked-objects/pom.xml
+++ b/naked-objects/pom.xml
@@ -15,7 +15,7 @@
 	<parent>
 		<artifactId>java-design-patterns</artifactId>
 		<groupId>com.iluwatar</groupId>
-		<version>1.15.0-SNAPSHOT</version>
+		<version>1.15.0</version>
 	</parent>
 
 	<artifactId>naked-objects</artifactId>
@@ -367,17 +367,17 @@
 			<dependency>
 				<groupId>${project.groupId}</groupId>
 				<artifactId>naked-objects-dom</artifactId>
-				<version>1.15.0-SNAPSHOT</version>
+				<version>1.15.0</version>
 			</dependency>
 			<dependency>
 				<groupId>${project.groupId}</groupId>
 				<artifactId>naked-objects-fixture</artifactId>
-				<version>1.15.0-SNAPSHOT</version>
+				<version>1.15.0</version>
 			</dependency>
 			<dependency>
 				<groupId>${project.groupId}</groupId>
 				<artifactId>naked-objects-webapp</artifactId>
-				<version>1.15.0-SNAPSHOT</version>
+				<version>1.15.0</version>
 			</dependency>
 
 		</dependencies>
diff --git a/naked-objects/webapp/pom.xml b/naked-objects/webapp/pom.xml
index 7e6d3ffcd875..45d413128d2d 100644
--- a/naked-objects/webapp/pom.xml
+++ b/naked-objects/webapp/pom.xml
@@ -16,7 +16,7 @@
 	<parent>
 		<groupId>com.iluwatar</groupId>
 		<artifactId>naked-objects</artifactId>
-		<version>1.15.0-SNAPSHOT</version>
+		<version>1.15.0</version>
 	</parent>
 
 	<artifactId>naked-objects-webapp</artifactId>
diff --git a/null-object/pom.xml b/null-object/pom.xml
index 2c494e3b768e..4fa75ceeb365 100644
--- a/null-object/pom.xml
+++ b/null-object/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>null-object</artifactId>
   <dependencies>
diff --git a/object-mother/pom.xml b/object-mother/pom.xml
index fc7d96a85a72..4c8a8252c4a1 100644
--- a/object-mother/pom.xml
+++ b/object-mother/pom.xml
@@ -30,7 +30,7 @@
     <parent>
         <groupId>com.iluwatar</groupId>
         <artifactId>java-design-patterns</artifactId>
-        <version>1.15.0-SNAPSHOT</version>
+        <version>1.15.0</version>
     </parent>
     <artifactId>object-mother</artifactId>
     <dependencies>
diff --git a/object-pool/pom.xml b/object-pool/pom.xml
index 19ac489564ad..4ab51470a34a 100644
--- a/object-pool/pom.xml
+++ b/object-pool/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>object-pool</artifactId>
   <dependencies>
diff --git a/observer/pom.xml b/observer/pom.xml
index bb313552ce38..f52be8ab1dcc 100644
--- a/observer/pom.xml
+++ b/observer/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>observer</artifactId>
   <dependencies>
diff --git a/page-object/pom.xml b/page-object/pom.xml
index 35ee916a592b..aec481498837 100644
--- a/page-object/pom.xml
+++ b/page-object/pom.xml
@@ -29,7 +29,7 @@
     <parent>
         <groupId>com.iluwatar</groupId>
         <artifactId>java-design-patterns</artifactId>
-        <version>1.15.0-SNAPSHOT</version>
+        <version>1.15.0</version>
     </parent>
     <artifactId>page-object</artifactId>
     <dependencies>
diff --git a/poison-pill/pom.xml b/poison-pill/pom.xml
index e518649cf897..ecb9ccfdca64 100644
--- a/poison-pill/pom.xml
+++ b/poison-pill/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>poison-pill</artifactId>
   <dependencies>
diff --git a/pom.xml b/pom.xml
index 4b22adeb60e7..a548b6bf1368 100644
--- a/pom.xml
+++ b/pom.xml
@@ -21,7 +21,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
     <packaging>pom</packaging>
     <inceptionYear>2014</inceptionYear>
     <properties>
diff --git a/private-class-data/pom.xml b/private-class-data/pom.xml
index 957e18033a93..496b482837a4 100644
--- a/private-class-data/pom.xml
+++ b/private-class-data/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>private-class-data</artifactId>
   <dependencies>
diff --git a/producer-consumer/pom.xml b/producer-consumer/pom.xml
index dbc80614f927..8570d98bc080 100644
--- a/producer-consumer/pom.xml
+++ b/producer-consumer/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
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   </parent>
   <artifactId>producer-consumer</artifactId>
   <dependencies>
diff --git a/promise/pom.xml b/promise/pom.xml
index a93ef2ba5c8b..5bf36261382c 100644
--- a/promise/pom.xml
+++ b/promise/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
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   </parent>
   <artifactId>promise</artifactId>
   <dependencies>
diff --git a/property/pom.xml b/property/pom.xml
index 4b28b9f5416c..bf084073916e 100644
--- a/property/pom.xml
+++ b/property/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
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   </parent>
   <artifactId>property</artifactId>
   <dependencies>
diff --git a/prototype/pom.xml b/prototype/pom.xml
index 995757d5a77c..4145ac5380e4 100644
--- a/prototype/pom.xml
+++ b/prototype/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>prototype</artifactId>
   <dependencies>
diff --git a/proxy/pom.xml b/proxy/pom.xml
index f12db724c766..bf32d85567f7 100644
--- a/proxy/pom.xml
+++ b/proxy/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
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   </parent>
   <artifactId>proxy</artifactId>
   <dependencies>
diff --git a/publish-subscribe/pom.xml b/publish-subscribe/pom.xml
index 1586815c1397..ee6a6720bfcd 100644
--- a/publish-subscribe/pom.xml
+++ b/publish-subscribe/pom.xml
@@ -28,7 +28,7 @@
 	<parent>
 		<groupId>com.iluwatar</groupId>
 		<artifactId>java-design-patterns</artifactId>
-		<version>1.15.0-SNAPSHOT</version>
+		<version>1.15.0</version>
 	</parent>
 	<artifactId>publish-subscribe</artifactId>
 	<dependencies>
diff --git a/queue-load-leveling/pom.xml b/queue-load-leveling/pom.xml
index 351f94906e7b..6167570cbff4 100644
--- a/queue-load-leveling/pom.xml
+++ b/queue-load-leveling/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>queue-load-leveling</artifactId>
   <dependencies>
diff --git a/reactor/pom.xml b/reactor/pom.xml
index 1d3aa22e76a4..69dccf542004 100644
--- a/reactor/pom.xml
+++ b/reactor/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
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   </parent>
   <artifactId>reactor</artifactId>
   <dependencies>
diff --git a/reader-writer-lock/pom.xml b/reader-writer-lock/pom.xml
index a46f6f5b2afb..d811d3c8b2dd 100644
--- a/reader-writer-lock/pom.xml
+++ b/reader-writer-lock/pom.xml
@@ -30,7 +30,7 @@
     <parent>
         <groupId>com.iluwatar</groupId>
         <artifactId>java-design-patterns</artifactId>
-        <version>1.15.0-SNAPSHOT</version>
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     </parent>
     <artifactId>reader-writer-lock</artifactId>
     <dependencies>
diff --git a/repository/pom.xml b/repository/pom.xml
index 5cae0466f1a5..879d1b58eae7 100644
--- a/repository/pom.xml
+++ b/repository/pom.xml
@@ -29,7 +29,7 @@
     <parent>
         <groupId>com.iluwatar</groupId>
         <artifactId>java-design-patterns</artifactId>
-        <version>1.15.0-SNAPSHOT</version>
+        <version>1.15.0</version>
     </parent>
     <artifactId>repository</artifactId>
     <dependencies>
diff --git a/resource-acquisition-is-initialization/pom.xml b/resource-acquisition-is-initialization/pom.xml
index ecf304ad2723..92707a5bb267 100644
--- a/resource-acquisition-is-initialization/pom.xml
+++ b/resource-acquisition-is-initialization/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
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   </parent>
   <artifactId>resource-acquisition-is-initialization</artifactId>
   <dependencies>
diff --git a/semaphore/pom.xml b/semaphore/pom.xml
index 34b6bf62950d..22ee544c634b 100644
--- a/semaphore/pom.xml
+++ b/semaphore/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
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   </parent>
   <artifactId>semaphore</artifactId>
   <dependencies>
diff --git a/servant/pom.xml b/servant/pom.xml
index fc59c795b68d..f861ae74692c 100644
--- a/servant/pom.xml
+++ b/servant/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>servant</artifactId>
   <dependencies>
diff --git a/service-layer/pom.xml b/service-layer/pom.xml
index 3d9e5e26fe31..af0d96a02657 100644
--- a/service-layer/pom.xml
+++ b/service-layer/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>service-layer</artifactId>
   <dependencies>
diff --git a/service-locator/pom.xml b/service-locator/pom.xml
index 397955f8e849..4046670a04d2 100644
--- a/service-locator/pom.xml
+++ b/service-locator/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>service-locator</artifactId>
   <dependencies>
diff --git a/singleton/pom.xml b/singleton/pom.xml
index 8ddcb2131798..c68d582350fa 100644
--- a/singleton/pom.xml
+++ b/singleton/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>singleton</artifactId>
   <dependencies>
diff --git a/specification/pom.xml b/specification/pom.xml
index 40584b7ca620..8a58a8dd6233 100644
--- a/specification/pom.xml
+++ b/specification/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>specification</artifactId>
   <dependencies>
diff --git a/state/pom.xml b/state/pom.xml
index 18a2608cd120..f0245dfd9239 100644
--- a/state/pom.xml
+++ b/state/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>state</artifactId>
   <dependencies>
diff --git a/step-builder/pom.xml b/step-builder/pom.xml
index b33f48fb795a..5d63f01878a0 100644
--- a/step-builder/pom.xml
+++ b/step-builder/pom.xml
@@ -30,7 +30,7 @@
   <parent>
     <artifactId>java-design-patterns</artifactId>
     <groupId>com.iluwatar</groupId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>step-builder</artifactId>
   <dependencies>
diff --git a/strategy/pom.xml b/strategy/pom.xml
index c472812283b3..88749d2cbc63 100644
--- a/strategy/pom.xml
+++ b/strategy/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>strategy</artifactId>
   <dependencies>
diff --git a/template-method/pom.xml b/template-method/pom.xml
index 4a40c89fbefc..81ac4ddfbf57 100644
--- a/template-method/pom.xml
+++ b/template-method/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>template-method</artifactId>
   <dependencies>
diff --git a/thread-pool/pom.xml b/thread-pool/pom.xml
index a3b8d1fe6b44..127fdad8d95c 100644
--- a/thread-pool/pom.xml
+++ b/thread-pool/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>thread-pool</artifactId>
   <dependencies>
diff --git a/tls/pom.xml b/tls/pom.xml
index fa8bf6860c44..3ab25fadd879 100644
--- a/tls/pom.xml
+++ b/tls/pom.xml
@@ -30,7 +30,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>tls</artifactId>
   <dependencies>
diff --git a/tolerant-reader/pom.xml b/tolerant-reader/pom.xml
index da580631d4fc..ee983bbbab03 100644
--- a/tolerant-reader/pom.xml
+++ b/tolerant-reader/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>tolerant-reader</artifactId>
   <dependencies>
diff --git a/twin/pom.xml b/twin/pom.xml
index b9f6fb6ee8ef..2b57a6cd4403 100644
--- a/twin/pom.xml
+++ b/twin/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>twin</artifactId>
   <dependencies>
diff --git a/value-object/pom.xml b/value-object/pom.xml
index ae18ed94a706..4b9958fa5b3b 100644
--- a/value-object/pom.xml
+++ b/value-object/pom.xml
@@ -30,7 +30,7 @@
 	<parent>
 		<groupId>com.iluwatar</groupId>
 		<artifactId>java-design-patterns</artifactId>
-		<version>1.15.0-SNAPSHOT</version>
+		<version>1.15.0</version>
 	</parent>
 	<artifactId>value-object</artifactId>
 	<dependencies>
diff --git a/visitor/pom.xml b/visitor/pom.xml
index 2aeeb73b088b..48a68386ced2 100644
--- a/visitor/pom.xml
+++ b/visitor/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>visitor</artifactId>
   <dependencies>