diff --git a/demo/maven/api/pom.xml b/demo/maven/api/pom.xml
index 2e2800d..9c73177 100644
--- a/demo/maven/api/pom.xml
+++ b/demo/maven/api/pom.xml
@@ -4,12 +4,12 @@
     <parent>
         <groupId>org.pf4j.demo</groupId>
         <artifactId>pf4j-demo-parent</artifactId>
-        <version>3.12.1</version>
+        <version>3.13.0-SNAPSHOT</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>pf4j-demo-api</artifactId>
-    <version>3.12.1</version>
+    <version>3.13.0-SNAPSHOT</version>
     <packaging>jar</packaging>
     <name>Demo Api</name>
 
diff --git a/demo/maven/app/pom.xml b/demo/maven/app/pom.xml
index 341eb80..9cfa4e2 100644
--- a/demo/maven/app/pom.xml
+++ b/demo/maven/app/pom.xml
@@ -4,12 +4,12 @@
     <parent>
         <groupId>org.pf4j.demo</groupId>
         <artifactId>pf4j-demo-parent</artifactId>
-        <version>3.12.1</version>
+        <version>3.13.0-SNAPSHOT</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>pf4j-demo-app</artifactId>
-    <version>3.12.1</version>
+    <version>3.13.0-SNAPSHOT</version>
     <packaging>jar</packaging>
     <name>Demo App</name>
 
diff --git a/demo/maven/plugins/plugin1/pom.xml b/demo/maven/plugins/plugin1/pom.xml
index bd12777..b09f1cc 100644
--- a/demo/maven/plugins/plugin1/pom.xml
+++ b/demo/maven/plugins/plugin1/pom.xml
@@ -4,12 +4,12 @@
     <parent>
         <groupId>org.pf4j.demo</groupId>
         <artifactId>pf4j-demo-plugins</artifactId>
-        <version>3.12.1</version>
+        <version>3.13.0-SNAPSHOT</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>pf4j-demo-plugin1</artifactId>
-    <version>3.12.1</version>
+    <version>3.13.0-SNAPSHOT</version>
     <packaging>jar</packaging>
     <name>Demo Plugin #1</name>
 
diff --git a/demo/maven/plugins/plugin2/pom.xml b/demo/maven/plugins/plugin2/pom.xml
index 3188af1..1dcbd36 100644
--- a/demo/maven/plugins/plugin2/pom.xml
+++ b/demo/maven/plugins/plugin2/pom.xml
@@ -4,12 +4,12 @@
     <parent>
         <groupId>org.pf4j.demo</groupId>
         <artifactId>pf4j-demo-plugins</artifactId>
-        <version>3.12.1</version>
+        <version>3.13.0-SNAPSHOT</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>pf4j-demo-plugin2</artifactId>
-    <version>3.12.1</version>
+    <version>3.13.0-SNAPSHOT</version>
     <packaging>jar</packaging>
     <name>Demo Plugin #2</name>
 
diff --git a/demo/maven/plugins/pom.xml b/demo/maven/plugins/pom.xml
index 0dd3216..d45203b 100644
--- a/demo/maven/plugins/pom.xml
+++ b/demo/maven/plugins/pom.xml
@@ -4,12 +4,12 @@
     <parent>
         <groupId>org.pf4j.demo</groupId>
         <artifactId>pf4j-demo-parent</artifactId>
-        <version>3.12.1</version>
+        <version>3.13.0-SNAPSHOT</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>pf4j-demo-plugins</artifactId>
-    <version>3.12.1</version>
+    <version>3.13.0-SNAPSHOT</version>
     <packaging>pom</packaging>
     <name>Demo Plugins Parent</name>
 
diff --git a/demo/maven/pom.xml b/demo/maven/pom.xml
index 042a85d..0a8b183 100644
--- a/demo/maven/pom.xml
+++ b/demo/maven/pom.xml
@@ -4,14 +4,14 @@
     <parent>
         <groupId>org.pf4j</groupId>
         <artifactId>pf4j-parent</artifactId>
-        <version>3.12.1</version>
+        <version>3.13.0-SNAPSHOT</version>
         <relativePath>../..</relativePath>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.pf4j.demo</groupId>
     <artifactId>pf4j-demo-parent</artifactId>
-    <version>3.12.1</version>
+    <version>3.13.0-SNAPSHOT</version>
     <packaging>pom</packaging>
     <name>Demo Parent</name>
 
diff --git a/maven-archetypes/quickstart/pom.xml b/maven-archetypes/quickstart/pom.xml
index 32215fe..6254efb 100755
--- a/maven-archetypes/quickstart/pom.xml
+++ b/maven-archetypes/quickstart/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.pf4j</groupId>
         <artifactId>pf4j-parent</artifactId>
-        <version>3.12.1</version>
+        <version>3.13.0-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/pf4j/pom.xml b/pf4j/pom.xml
index f15206a..7061db6 100644
--- a/pf4j/pom.xml
+++ b/pf4j/pom.xml
@@ -4,12 +4,12 @@
     <parent>
         <groupId>org.pf4j</groupId>
         <artifactId>pf4j-parent</artifactId>
-        <version>3.12.1</version>
+        <version>3.13.0-SNAPSHOT</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>pf4j</artifactId>
-    <version>3.12.1</version>
+    <version>3.13.0-SNAPSHOT</version>
     <packaging>jar</packaging>
     <name>PF4J</name>
     <description>Plugin Framework for Java</description>
diff --git a/pom.xml b/pom.xml
index a5c5685..f1e079b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -10,7 +10,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.pf4j</groupId>
     <artifactId>pf4j-parent</artifactId>
-    <version>3.12.1</version>
+    <version>3.13.0-SNAPSHOT</version>
     <packaging>pom</packaging>
     <name>PF4J Parent</name>
     <description>Plugin Framework for Java</description>
@@ -28,7 +28,7 @@
         <connection>scm:git:https://github.com/pf4j/pf4j.git</connection>
         <developerConnection>scm:git:git@github.com:pf4j/pf4j.git</developerConnection>
         <url>git@github.com/pf4j/pf4j.git</url>
-        <tag>release-3.12.1</tag>
+        <tag>HEAD</tag>
     </scm>
 
     <distributionManagement>