diff --git a/logback-access/pom.xml b/logback-access/pom.xml
index bc6788f29a..43dc200fd4 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>1.5.10</version>
+    <version>1.5.11-SNAPSHOT</version>
   </parent>
   
   <artifactId>logback-access</artifactId>
diff --git a/logback-classic-blackbox/pom.xml b/logback-classic-blackbox/pom.xml
index 66cc1a946e..f6c777a3d8 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>1.5.10</version>
+        <version>1.5.11-SNAPSHOT</version>
     </parent>
 
     <artifactId>logback-classic-blackbox</artifactId>
diff --git a/logback-classic/pom.xml b/logback-classic/pom.xml
index 4b2e24d4fa..4e628df4c6 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>1.5.10</version>
+    <version>1.5.11-SNAPSHOT</version>
   </parent>
 
   <artifactId>logback-classic</artifactId>
diff --git a/logback-core-blackbox/pom.xml b/logback-core-blackbox/pom.xml
index ded5369750..c90f426b9b 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>1.5.10</version>
+        <version>1.5.11-SNAPSHOT</version>
     </parent>
 
     <artifactId>logback-core-blackbox</artifactId>
diff --git a/logback-core/pom.xml b/logback-core/pom.xml
index 9c0e8d1e25..db1b76444e 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>1.5.10</version>
+        <version>1.5.11-SNAPSHOT</version>
     </parent>
 
     <artifactId>logback-core</artifactId>
diff --git a/logback-examples/pom.xml b/logback-examples/pom.xml
index a4e3c28be0..63b6e21eb2 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>1.5.10</version>
+    <version>1.5.11-SNAPSHOT</version>
   </parent>
 
   <artifactId>logback-examples</artifactId>
diff --git a/pom.xml b/pom.xml
index f2b7a9df79..a72af4410c 100755
--- a/pom.xml
+++ b/pom.xml
@@ -8,7 +8,7 @@
   
   <groupId>ch.qos.logback</groupId>
   <artifactId>logback-parent</artifactId>
-  <version>1.5.10</version>
+  <version>1.5.11-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>2024-10-12T08:01:00Z</project.build.outputTimestamp>
+    <project.build.outputTimestamp>2024-10-12T08:19:25Z</project.build.outputTimestamp>
 
     <!-- minimal JDK version at runtime -->
     <jdk.version>11</jdk.version>