diff --git a/logback-access/pom.xml b/logback-access/pom.xml
index 90d4295e01..0f578c79dd 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>1.5.11</version>
+    <version>1.5.12-SNAPSHOT</version>
   </parent>
   
   <artifactId>logback-access</artifactId>
diff --git a/logback-classic-blackbox/pom.xml b/logback-classic-blackbox/pom.xml
index 3fb0bc46f8..c9bb81c1c8 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>1.5.11</version>
+        <version>1.5.12-SNAPSHOT</version>
     </parent>
 
     <artifactId>logback-classic-blackbox</artifactId>
diff --git a/logback-classic/pom.xml b/logback-classic/pom.xml
index b32dac6f49..f170e5fdb4 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>1.5.11</version>
+    <version>1.5.12-SNAPSHOT</version>
   </parent>
 
   <artifactId>logback-classic</artifactId>
diff --git a/logback-core-blackbox/pom.xml b/logback-core-blackbox/pom.xml
index cf39574b79..98f0ecbd3c 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>1.5.11</version>
+        <version>1.5.12-SNAPSHOT</version>
     </parent>
 
     <artifactId>logback-core-blackbox</artifactId>
diff --git a/logback-core/pom.xml b/logback-core/pom.xml
index fbed177b8b..c8280ea851 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>1.5.11</version>
+        <version>1.5.12-SNAPSHOT</version>
     </parent>
 
     <artifactId>logback-core</artifactId>
diff --git a/logback-examples/pom.xml b/logback-examples/pom.xml
index 16e86def79..b7b54c12b9 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>1.5.11</version>
+    <version>1.5.12-SNAPSHOT</version>
   </parent>
 
   <artifactId>logback-examples</artifactId>
diff --git a/pom.xml b/pom.xml
index eb5939850d..1ca2d1e332 100755
--- a/pom.xml
+++ b/pom.xml
@@ -8,7 +8,7 @@
   
   <groupId>ch.qos.logback</groupId>
   <artifactId>logback-parent</artifactId>
-  <version>1.5.11</version>
+  <version>1.5.12-SNAPSHOT</version>
   <packaging>pom</packaging>
 
   <name>Logback-Parent</name>
@@ -50,7 +50,7 @@
 
   <properties>
     <!-- yyyy-MM-dd'T'HH:mm:ss'Z' -->
-    <project.build.outputTimestamp>2024-10-15T10:16:00Z</project.build.outputTimestamp>
+    <project.build.outputTimestamp>2024-10-15T10:24:20Z</project.build.outputTimestamp>
 
     <!-- minimal JDK version at runtime -->
     <jdk.version>11</jdk.version>