diff --git a/logback-access/pom.xml b/logback-access/pom.xml
index d95e681628..901804cb14 100755
--- 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>1.2.13-SNAPSHOT</version>
+    <version>1.2.13</version>
   </parent>
 
   <artifactId>logback-access</artifactId>
diff --git a/logback-classic/pom.xml b/logback-classic/pom.xml
index e8027ef31d..ee2027ca66 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>1.2.13-SNAPSHOT</version>
+    <version>1.2.13</version>
   </parent>
 
   <artifactId>logback-classic</artifactId>
diff --git a/logback-core/pom.xml b/logback-core/pom.xml
index 2a40d2475f..4c2d17f241 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>1.2.13-SNAPSHOT</version>
+    <version>1.2.13</version>
   </parent>
 
   <artifactId>logback-core</artifactId>
diff --git a/logback-examples/pom.xml b/logback-examples/pom.xml
index 2d1ad02b05..1bf0693a6e 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>1.2.13-SNAPSHOT</version>
+    <version>1.2.13</version>
   </parent>
 
   <artifactId>logback-examples</artifactId>
diff --git a/logback-site/pom.xml b/logback-site/pom.xml
index 4e1a6fcc25..1c18e262d9 100755
--- a/logback-site/pom.xml
+++ b/logback-site/pom.xml
@@ -7,7 +7,7 @@
   <parent>
     <groupId>ch.qos.logback</groupId>
     <artifactId>logback-parent</artifactId>
-    <version>1.2.13-SNAPSHOT</version>
+    <version>1.2.13</version>
   </parent>
 
   <artifactId>logback-site</artifactId>
diff --git a/pom.xml b/pom.xml
index c2f5b5f363..0960104886 100755
--- a/pom.xml
+++ b/pom.xml
@@ -7,7 +7,7 @@
 
   <groupId>ch.qos.logback</groupId>
   <artifactId>logback-parent</artifactId>
-  <version>1.2.13-SNAPSHOT</version>
+  <version>1.2.13</version>
   <packaging>pom</packaging>
 
   <name>Logback-Parent</name>
@@ -47,7 +47,7 @@
   </modules>
 
   <properties>
-    <project.build.outputTimestamp>2023-03-23T22:06:22Z</project.build.outputTimestamp>    
+    <project.build.outputTimestamp>2023-12-01T14:16:33Z</project.build.outputTimestamp>    
     <maven.compiler.source>1.6</maven.compiler.source>
     <maven.compiler.target>1.6</maven.compiler.target>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>