diff --git a/animal-sniffer-annotations/pom.xml b/animal-sniffer-annotations/pom.xml
index 79f3119a..800b1cb5 100644
--- a/animal-sniffer-annotations/pom.xml
+++ b/animal-sniffer-annotations/pom.xml
@@ -28,7 +28,7 @@
   <parent>
     <groupId>org.codehaus.mojo</groupId>
     <artifactId>animal-sniffer-parent</artifactId>
-    <version>1.21-SNAPSHOT</version>
+    <version>1.21</version>
   </parent>
 
   <artifactId>animal-sniffer-annotations</artifactId>
diff --git a/animal-sniffer-ant-tasks/pom.xml b/animal-sniffer-ant-tasks/pom.xml
index b1941706..dca8a326 100644
--- a/animal-sniffer-ant-tasks/pom.xml
+++ b/animal-sniffer-ant-tasks/pom.xml
@@ -28,7 +28,7 @@
   <parent>
     <groupId>org.codehaus.mojo</groupId>
     <artifactId>animal-sniffer-parent</artifactId>
-    <version>1.21-SNAPSHOT</version>
+    <version>1.21</version>
   </parent>
 
   <artifactId>animal-sniffer-ant-tasks</artifactId>
diff --git a/animal-sniffer-enforcer-rule/pom.xml b/animal-sniffer-enforcer-rule/pom.xml
index 833ab615..07f821b7 100644
--- a/animal-sniffer-enforcer-rule/pom.xml
+++ b/animal-sniffer-enforcer-rule/pom.xml
@@ -28,7 +28,7 @@
   <parent>
     <groupId>org.codehaus.mojo</groupId>
     <artifactId>animal-sniffer-parent</artifactId>
-    <version>1.21-SNAPSHOT</version>
+    <version>1.21</version>
   </parent>
 
   <artifactId>animal-sniffer-enforcer-rule</artifactId>
diff --git a/animal-sniffer-maven-plugin/pom.xml b/animal-sniffer-maven-plugin/pom.xml
index 3cc95f4e..ebfeb071 100644
--- a/animal-sniffer-maven-plugin/pom.xml
+++ b/animal-sniffer-maven-plugin/pom.xml
@@ -28,7 +28,7 @@
   <parent>
     <groupId>org.codehaus.mojo</groupId>
     <artifactId>animal-sniffer-parent</artifactId>
-    <version>1.21-SNAPSHOT</version>
+    <version>1.21</version>
   </parent>
 
   <artifactId>animal-sniffer-maven-plugin</artifactId>
diff --git a/animal-sniffer/pom.xml b/animal-sniffer/pom.xml
index 237fa015..b37b6c04 100644
--- a/animal-sniffer/pom.xml
+++ b/animal-sniffer/pom.xml
@@ -28,7 +28,7 @@
   <parent>
     <groupId>org.codehaus.mojo</groupId>
     <artifactId>animal-sniffer-parent</artifactId>
-    <version>1.21-SNAPSHOT</version>
+    <version>1.21</version>
   </parent>
 
   <artifactId>animal-sniffer</artifactId>
diff --git a/java-boot-classpath-detector/pom.xml b/java-boot-classpath-detector/pom.xml
index bafbe42e..7332b403 100644
--- a/java-boot-classpath-detector/pom.xml
+++ b/java-boot-classpath-detector/pom.xml
@@ -28,7 +28,7 @@
   <parent>
     <groupId>org.codehaus.mojo</groupId>
     <artifactId>animal-sniffer-parent</artifactId>
-    <version>1.21-SNAPSHOT</version>
+    <version>1.21</version>
   </parent>
 
   <groupId>org.codehaus.mojo</groupId>
diff --git a/pom.xml b/pom.xml
index 40e836b6..b4d54f01 100644
--- a/pom.xml
+++ b/pom.xml
@@ -32,7 +32,7 @@
   </parent>
 
   <artifactId>animal-sniffer-parent</artifactId>
-  <version>1.21-SNAPSHOT</version>
+  <version>1.21</version>
   <packaging>pom</packaging>
 
   <name>Animal Sniffer</name>
@@ -81,7 +81,7 @@
     <connection>scm:git:https://github.com/mojohaus/animal-sniffer.git</connection>
     <developerConnection>scm:git:ssh://git@github.com/mojohaus/animal-sniffer.git</developerConnection>
     <url>https://github.com/mojohaus/animal-sniffer</url>
-    <tag>master</tag>
+    <tag>animal-sniffer-parent-1.21</tag>
   </scm>
   <issueManagement>
     <system>GitHub</system>
@@ -103,7 +103,7 @@
     <mojo.java.target>1.8</mojo.java.target>
     <build-helper.version>3.3.0</build-helper.version>
     <invoker.streamLogs>false</invoker.streamLogs>
-    <project.build.outputTimestamp>2021-02-15T11:49:33Z</project.build.outputTimestamp>
+    <project.build.outputTimestamp>2022-02-01T08:42:01Z</project.build.outputTimestamp>
   </properties>
 
   <build>