diff --git a/logback-access/pom.xml b/logback-access/pom.xml
index 9f750d2e9e..76e28d7254 100644
--- a/logback-access/pom.xml
+++ b/logback-access/pom.xml
@@ -8,7 +8,7 @@
   <parent>
     <groupId>ch.qos.logback</groupId>
     <artifactId>logback-parent</artifactId>
-    <version>1.5.15-SNAPSHOT</version>
+    <version>1.5.15</version>
   </parent>
   
   <artifactId>logback-access</artifactId>
diff --git a/logback-classic-blackbox/pom.xml b/logback-classic-blackbox/pom.xml
index d81f7dfa74..72b8d619a2 100644
--- a/logback-classic-blackbox/pom.xml
+++ b/logback-classic-blackbox/pom.xml
@@ -8,7 +8,7 @@
     <parent>
         <groupId>ch.qos.logback</groupId>
         <artifactId>logback-parent</artifactId>
-        <version>1.5.15-SNAPSHOT</version>
+        <version>1.5.15</version>
     </parent>
 
     <artifactId>logback-classic-blackbox</artifactId>
diff --git a/logback-classic/pom.xml b/logback-classic/pom.xml
index 176e87cc90..a5959757ae 100755
--- a/logback-classic/pom.xml
+++ b/logback-classic/pom.xml
@@ -8,7 +8,7 @@
   <parent>
     <groupId>ch.qos.logback</groupId>
     <artifactId>logback-parent</artifactId>
-    <version>1.5.15-SNAPSHOT</version>
+    <version>1.5.15</version>
   </parent>
 
   <artifactId>logback-classic</artifactId>
diff --git a/logback-core-blackbox/pom.xml b/logback-core-blackbox/pom.xml
index 1e91345c03..24da18098b 100644
--- a/logback-core-blackbox/pom.xml
+++ b/logback-core-blackbox/pom.xml
@@ -8,7 +8,7 @@
     <parent>
         <groupId>ch.qos.logback</groupId>
         <artifactId>logback-parent</artifactId>
-        <version>1.5.15-SNAPSHOT</version>
+        <version>1.5.15</version>
     </parent>
 
     <artifactId>logback-core-blackbox</artifactId>
diff --git a/logback-core/pom.xml b/logback-core/pom.xml
index 94411ad3d9..d3fe84ae63 100755
--- a/logback-core/pom.xml
+++ b/logback-core/pom.xml
@@ -8,7 +8,7 @@
     <parent>
         <groupId>ch.qos.logback</groupId>
         <artifactId>logback-parent</artifactId>
-        <version>1.5.15-SNAPSHOT</version>
+        <version>1.5.15</version>
     </parent>
 
     <artifactId>logback-core</artifactId>
diff --git a/logback-examples/pom.xml b/logback-examples/pom.xml
index 4164308103..4321922353 100755
--- a/logback-examples/pom.xml
+++ b/logback-examples/pom.xml
@@ -8,7 +8,7 @@
   <parent>
     <groupId>ch.qos.logback</groupId>
     <artifactId>logback-parent</artifactId>
-    <version>1.5.15-SNAPSHOT</version>
+    <version>1.5.15</version>
   </parent>
 
   <artifactId>logback-examples</artifactId>
diff --git a/pom.xml b/pom.xml
index 8606cfa218..7083cc6141 100755
--- a/pom.xml
+++ b/pom.xml
@@ -8,7 +8,7 @@
   
   <groupId>ch.qos.logback</groupId>
   <artifactId>logback-parent</artifactId>
-  <version>1.5.15-SNAPSHOT</version>
+  <version>1.5.15</version>
   <packaging>pom</packaging>
 
   <name>Logback-Parent</name>
@@ -50,7 +50,7 @@
 
   <properties>
     <!-- yyyy-MM-dd'T'HH:mm:ss'Z' -->
-    <project.build.outputTimestamp>2024-12-19T15:46:23Z</project.build.outputTimestamp>
+    <project.build.outputTimestamp>2024-12-21T15:23:00Z</project.build.outputTimestamp>
 
     <!-- minimal JDK version at runtime -->
     <jdk.version>11</jdk.version>