diff --git a/kotlin-asyncapi-annotation/pom.xml b/kotlin-asyncapi-annotation/pom.xml
index 808c1cb..7de2b87 100644
--- a/kotlin-asyncapi-annotation/pom.xml
+++ b/kotlin-asyncapi-annotation/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.openfolder</groupId>
         <artifactId>kotlin-asyncapi-parent</artifactId>
-        <version>3.0.3</version>
+        <version>3.0.4-SNAPSHOT</version>
     </parent>
 
     <artifactId>kotlin-asyncapi-annotation</artifactId>
diff --git a/kotlin-asyncapi-core/pom.xml b/kotlin-asyncapi-core/pom.xml
index 4ce4506..15ff8a8 100644
--- a/kotlin-asyncapi-core/pom.xml
+++ b/kotlin-asyncapi-core/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.openfolder</groupId>
         <artifactId>kotlin-asyncapi-parent</artifactId>
-        <version>3.0.3</version>
+        <version>3.0.4-SNAPSHOT</version>
     </parent>
 
     <artifactId>kotlin-asyncapi-core</artifactId>
diff --git a/kotlin-asyncapi-examples/kotlin-asyncapi-spring-boot-example/pom.xml b/kotlin-asyncapi-examples/kotlin-asyncapi-spring-boot-example/pom.xml
index e8617b8..ca1e025 100644
--- a/kotlin-asyncapi-examples/kotlin-asyncapi-spring-boot-example/pom.xml
+++ b/kotlin-asyncapi-examples/kotlin-asyncapi-spring-boot-example/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<artifactId>kotlin-asyncapi-examples</artifactId>
 		<groupId>org.openfolder</groupId>
-		<version>3.0.3</version>
+		<version>3.0.4-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>kotlin-asyncapi-spring-boot-example</artifactId>
diff --git a/kotlin-asyncapi-examples/pom.xml b/kotlin-asyncapi-examples/pom.xml
index 5bf71b1..8cf20dd 100644
--- a/kotlin-asyncapi-examples/pom.xml
+++ b/kotlin-asyncapi-examples/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<artifactId>kotlin-asyncapi-parent</artifactId>
 		<groupId>org.openfolder</groupId>
-		<version>3.0.3</version>
+		<version>3.0.4-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>kotlin-asyncapi-examples</artifactId>
diff --git a/kotlin-asyncapi-maven-plugin/pom.xml b/kotlin-asyncapi-maven-plugin/pom.xml
index d1d42a0..9b1b82b 100644
--- a/kotlin-asyncapi-maven-plugin/pom.xml
+++ b/kotlin-asyncapi-maven-plugin/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>kotlin-asyncapi-parent</artifactId>
         <groupId>org.openfolder</groupId>
-        <version>3.0.3</version>
+        <version>3.0.4-SNAPSHOT</version>
     </parent>
 
     <artifactId>kotlin-asyncapi-maven-plugin</artifactId>
diff --git a/kotlin-asyncapi-script/pom.xml b/kotlin-asyncapi-script/pom.xml
index 5a1bc86..a8bdcfd 100644
--- a/kotlin-asyncapi-script/pom.xml
+++ b/kotlin-asyncapi-script/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>kotlin-asyncapi-parent</artifactId>
         <groupId>org.openfolder</groupId>
-        <version>3.0.3</version>
+        <version>3.0.4-SNAPSHOT</version>
     </parent>
 
     <artifactId>kotlin-asyncapi-script</artifactId>
diff --git a/kotlin-asyncapi-spring-web/pom.xml b/kotlin-asyncapi-spring-web/pom.xml
index 142ecfb..6462266 100644
--- a/kotlin-asyncapi-spring-web/pom.xml
+++ b/kotlin-asyncapi-spring-web/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.openfolder</groupId>
         <artifactId>kotlin-asyncapi-parent</artifactId>
-        <version>3.0.3</version>
+        <version>3.0.4-SNAPSHOT</version>
     </parent>
 
     <artifactId>kotlin-asyncapi-spring-web</artifactId>
diff --git a/pom.xml b/pom.xml
index 4924ca1..580cf75 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
 
     <groupId>org.openfolder</groupId>
     <artifactId>kotlin-asyncapi-parent</artifactId>
-    <version>3.0.3</version>
+    <version>3.0.4-SNAPSHOT</version>
     <packaging>pom</packaging>
 
     <name>Kotlin AsyncAPI Parent POM</name>