diff --git a/apps/pom.xml b/apps/pom.xml
index 0f9be191b..2154785f6 100644
--- a/apps/pom.xml
+++ b/apps/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-parent</artifactId>
-        <version>7.0.0-M3</version>
+        <version>7.0.0-M4-SNAPSHOT</version>
     </parent>
     <artifactId>struts2-apps</artifactId>
     <packaging>pom</packaging>
diff --git a/apps/rest-showcase/pom.xml b/apps/rest-showcase/pom.xml
index 4136670a2..b5c19ab00 100644
--- a/apps/rest-showcase/pom.xml
+++ b/apps/rest-showcase/pom.xml
@@ -24,12 +24,12 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-apps</artifactId>
-        <version>7.0.0-M3</version>
+        <version>7.0.0-M4-SNAPSHOT</version>
     </parent>
 
     <artifactId>struts2-rest-showcase</artifactId>
     <packaging>war</packaging>
-    <version>7.0.0-M3</version>
+    <version>7.0.0-M4-SNAPSHOT</version>
     <name>Struts 2 Rest Showcase Webapp</name>
     <description>Struts 2 Rest Showcase Example</description>
 
diff --git a/apps/showcase/pom.xml b/apps/showcase/pom.xml
index 301c9ef0a..51a308c4a 100644
--- a/apps/showcase/pom.xml
+++ b/apps/showcase/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-apps</artifactId>
-        <version>7.0.0-M3</version>
+        <version>7.0.0-M4-SNAPSHOT</version>
     </parent>
 
     <artifactId>struts2-showcase</artifactId>
diff --git a/assembly/pom.xml b/assembly/pom.xml
index 3cb5a127f..093e02641 100644
--- a/assembly/pom.xml
+++ b/assembly/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-parent</artifactId>
-        <version>7.0.0-M3</version>
+        <version>7.0.0-M4-SNAPSHOT</version>
     </parent>
 
     <artifactId>struts2-assembly</artifactId>
diff --git a/bom/pom.xml b/bom/pom.xml
index e52f45825..16b8caf36 100644
--- a/bom/pom.xml
+++ b/bom/pom.xml
@@ -25,11 +25,11 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-parent</artifactId>
-        <version>7.0.0-M3</version>
+        <version>7.0.0-M4-SNAPSHOT</version>
     </parent>
 
     <artifactId>struts2-bom</artifactId>
-    <version>7.0.0-M3</version>
+    <version>7.0.0-M4-SNAPSHOT</version>
     <packaging>pom</packaging>
 
     <name>Struts 2 Bill of Materials</name>
@@ -44,7 +44,7 @@
     </licenses>
 
     <properties>
-        <struts-version.version>7.0.0-M3</struts-version.version>
+        <struts-version.version>7.0.0-M4-SNAPSHOT</struts-version.version>
         <maven.site.skip>true</maven.site.skip>
         <maven.site.deploy.skip>true</maven.site.deploy.skip>
     </properties>
@@ -165,7 +165,7 @@
     </dependencyManagement>
 
   <scm>
-    <tag>STRUTS_7_0_0_M3</tag>
+    <tag>HEAD</tag>
     <connection>scm:git:https://gitbox.apache.org/repos/asf/struts.git</connection>
     <developerConnection>scm:git:https://gitbox.apache.org/repos/asf/struts.git</developerConnection>
     <url>https://github.com/apache/struts/</url>
diff --git a/core/pom.xml b/core/pom.xml
index d3f3b5203..c73248252 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-parent</artifactId>
-        <version>7.0.0-M3</version>
+        <version>7.0.0-M4-SNAPSHOT</version>
     </parent>
     <artifactId>struts2-core</artifactId>
     <packaging>jar</packaging>
diff --git a/jakarta/freemarker-jakarta/pom.xml b/jakarta/freemarker-jakarta/pom.xml
index dfd70ad3f..d8eb4e004 100644
--- a/jakarta/freemarker-jakarta/pom.xml
+++ b/jakarta/freemarker-jakarta/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-jakarta</artifactId>
-        <version>7.0.0-M3</version>
+        <version>7.0.0-M4-SNAPSHOT</version>
     </parent>
     <artifactId>struts2-freemarker-jakarta</artifactId>
     <packaging>jar</packaging>
diff --git a/jakarta/pom.xml b/jakarta/pom.xml
index d2e6d79fa..50f6f40f1 100644
--- a/jakarta/pom.xml
+++ b/jakarta/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-parent</artifactId>
-        <version>7.0.0-M3</version>
+        <version>7.0.0-M4-SNAPSHOT</version>
     </parent>
     <artifactId>struts2-jakarta</artifactId>
     <packaging>pom</packaging>
diff --git a/jakarta/sitemesh2-jakarta/pom.xml b/jakarta/sitemesh2-jakarta/pom.xml
index 71e060819..a2c710ae3 100644
--- a/jakarta/sitemesh2-jakarta/pom.xml
+++ b/jakarta/sitemesh2-jakarta/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-jakarta</artifactId>
-        <version>7.0.0-M3</version>
+        <version>7.0.0-M4-SNAPSHOT</version>
     </parent>
     <artifactId>struts2-sitemesh2-jakarta</artifactId>
     <packaging>jar</packaging>
diff --git a/jakarta/velocity-tools-jsp-jakarta/pom.xml b/jakarta/velocity-tools-jsp-jakarta/pom.xml
index 959784e4c..280eae478 100644
--- a/jakarta/velocity-tools-jsp-jakarta/pom.xml
+++ b/jakarta/velocity-tools-jsp-jakarta/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-jakarta</artifactId>
-        <version>7.0.0-M3</version>
+        <version>7.0.0-M4-SNAPSHOT</version>
     </parent>
     <artifactId>struts2-velocity-tools-jsp-jakarta</artifactId>
     <packaging>jar</packaging>
diff --git a/jakarta/velocity-tools-view-jakarta/pom.xml b/jakarta/velocity-tools-view-jakarta/pom.xml
index 48b902a42..750ef8f62 100644
--- a/jakarta/velocity-tools-view-jakarta/pom.xml
+++ b/jakarta/velocity-tools-view-jakarta/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-jakarta</artifactId>
-        <version>7.0.0-M3</version>
+        <version>7.0.0-M4-SNAPSHOT</version>
     </parent>
     <artifactId>struts2-velocity-tools-view-jakarta</artifactId>
     <packaging>jar</packaging>
diff --git a/plugins/async/pom.xml b/plugins/async/pom.xml
index b1371b783..40d88efac 100644
--- a/plugins/async/pom.xml
+++ b/plugins/async/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>7.0.0-M3</version>
+        <version>7.0.0-M4-SNAPSHOT</version>
     </parent>
 
     <artifactId>struts2-async-plugin</artifactId>
diff --git a/plugins/bean-validation/pom.xml b/plugins/bean-validation/pom.xml
index ca730f93e..004e3d5d9 100644
--- a/plugins/bean-validation/pom.xml
+++ b/plugins/bean-validation/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>7.0.0-M3</version>
+        <version>7.0.0-M4-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/plugins/cdi/pom.xml b/plugins/cdi/pom.xml
index bee6aecfc..086536739 100644
--- a/plugins/cdi/pom.xml
+++ b/plugins/cdi/pom.xml
@@ -25,7 +25,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>7.0.0-M3</version>
+        <version>7.0.0-M4-SNAPSHOT</version>
     </parent>
 
     <artifactId>struts2-cdi-plugin</artifactId>
diff --git a/plugins/config-browser/pom.xml b/plugins/config-browser/pom.xml
index 07aea399f..461969853 100644
--- a/plugins/config-browser/pom.xml
+++ b/plugins/config-browser/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>7.0.0-M3</version>
+        <version>7.0.0-M4-SNAPSHOT</version>
     </parent>
 
     <artifactId>struts2-config-browser-plugin</artifactId>
diff --git a/plugins/convention/pom.xml b/plugins/convention/pom.xml
index d19eab7ce..3dfcb6318 100644
--- a/plugins/convention/pom.xml
+++ b/plugins/convention/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>7.0.0-M3</version>
+        <version>7.0.0-M4-SNAPSHOT</version>
     </parent>
 
     <artifactId>struts2-convention-plugin</artifactId>
diff --git a/plugins/jasperreports/pom.xml b/plugins/jasperreports/pom.xml
index 1cb930918..c18fc9946 100644
--- a/plugins/jasperreports/pom.xml
+++ b/plugins/jasperreports/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>7.0.0-M3</version>
+        <version>7.0.0-M4-SNAPSHOT</version>
     </parent>
 
     <artifactId>struts2-jasperreports-plugin</artifactId>
diff --git a/plugins/javatemplates/pom.xml b/plugins/javatemplates/pom.xml
index a57d6c2a1..853156d1e 100644
--- a/plugins/javatemplates/pom.xml
+++ b/plugins/javatemplates/pom.xml
@@ -25,7 +25,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>7.0.0-M3</version>
+        <version>7.0.0-M4-SNAPSHOT</version>
     </parent>
 
     <artifactId>struts2-javatemplates-plugin</artifactId>
diff --git a/plugins/jfreechart/pom.xml b/plugins/jfreechart/pom.xml
index 8729aca9f..15aca2bae 100644
--- a/plugins/jfreechart/pom.xml
+++ b/plugins/jfreechart/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>7.0.0-M3</version>
+        <version>7.0.0-M4-SNAPSHOT</version>
     </parent>
 
     <artifactId>struts2-jfreechart-plugin</artifactId>
diff --git a/plugins/json/pom.xml b/plugins/json/pom.xml
index c6ace0f6d..ae2b297e8 100644
--- a/plugins/json/pom.xml
+++ b/plugins/json/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>7.0.0-M3</version>
+        <version>7.0.0-M4-SNAPSHOT</version>
     </parent>
 
     <artifactId>struts2-json-plugin</artifactId>
diff --git a/plugins/junit/pom.xml b/plugins/junit/pom.xml
index 8390ccb34..d3b35c3d7 100644
--- a/plugins/junit/pom.xml
+++ b/plugins/junit/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>7.0.0-M3</version>
+        <version>7.0.0-M4-SNAPSHOT</version>
     </parent>
 
     <artifactId>struts2-junit-plugin</artifactId>
diff --git a/plugins/pom.xml b/plugins/pom.xml
index 0f700fd39..7d035cb69 100644
--- a/plugins/pom.xml
+++ b/plugins/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-parent</artifactId>
-        <version>7.0.0-M3</version>
+        <version>7.0.0-M4-SNAPSHOT</version>
     </parent>
 
     <artifactId>struts2-plugins</artifactId>
diff --git a/plugins/rest/pom.xml b/plugins/rest/pom.xml
index f1f429e04..7b06d489e 100644
--- a/plugins/rest/pom.xml
+++ b/plugins/rest/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>7.0.0-M3</version>
+        <version>7.0.0-M4-SNAPSHOT</version>
     </parent>
 
     <artifactId>struts2-rest-plugin</artifactId>
diff --git a/plugins/sitemesh/pom.xml b/plugins/sitemesh/pom.xml
index 71d56a832..d1df19353 100644
--- a/plugins/sitemesh/pom.xml
+++ b/plugins/sitemesh/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>7.0.0-M3</version>
+        <version>7.0.0-M4-SNAPSHOT</version>
     </parent>
 
     <artifactId>struts2-sitemesh-plugin</artifactId>
diff --git a/plugins/spring/pom.xml b/plugins/spring/pom.xml
index 797ed84ee..ac07bee30 100644
--- a/plugins/spring/pom.xml
+++ b/plugins/spring/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>7.0.0-M3</version>
+        <version>7.0.0-M4-SNAPSHOT</version>
     </parent>
 
     <artifactId>struts2-spring-plugin</artifactId>
diff --git a/plugins/testng/pom.xml b/plugins/testng/pom.xml
index 082115a0d..75968230d 100644
--- a/plugins/testng/pom.xml
+++ b/plugins/testng/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>7.0.0-M3</version>
+        <version>7.0.0-M4-SNAPSHOT</version>
     </parent>
 
     <artifactId>struts2-testng-plugin</artifactId>
diff --git a/plugins/tiles/pom.xml b/plugins/tiles/pom.xml
index 25818d23d..44e6a7793 100644
--- a/plugins/tiles/pom.xml
+++ b/plugins/tiles/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>7.0.0-M3</version>
+        <version>7.0.0-M4-SNAPSHOT</version>
     </parent>
 
     <artifactId>struts2-tiles-plugin</artifactId>
diff --git a/plugins/velocity/pom.xml b/plugins/velocity/pom.xml
index 6030e09d0..1e0ea8b71 100644
--- a/plugins/velocity/pom.xml
+++ b/plugins/velocity/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>7.0.0-M3</version>
+        <version>7.0.0-M4-SNAPSHOT</version>
     </parent>
 
     <artifactId>struts2-velocity-plugin</artifactId>
diff --git a/plugins/xslt/pom.xml b/plugins/xslt/pom.xml
index 483e38439..0b32352b8 100644
--- a/plugins/xslt/pom.xml
+++ b/plugins/xslt/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>7.0.0-M3</version>
+        <version>7.0.0-M4-SNAPSHOT</version>
     </parent>
 
     <artifactId>struts2-xslt-plugin</artifactId>
diff --git a/pom.xml b/pom.xml
index c13172e5b..4de073e0d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -29,7 +29,7 @@
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>struts2-parent</artifactId>
-    <version>7.0.0-M3</version>
+    <version>7.0.0-M4-SNAPSHOT</version>
     <packaging>pom</packaging>
     <name>Struts 2</name>
     <url>https://struts.apache.org/</url>
@@ -51,7 +51,7 @@
         <connection>scm:git:https://gitbox.apache.org/repos/asf/struts.git</connection>
         <developerConnection>scm:git:https://gitbox.apache.org/repos/asf/struts.git</developerConnection>
         <url>https://github.com/apache/struts/</url>
-        <tag>STRUTS_7_0_0_M3</tag>
+        <tag>HEAD</tag>
     </scm>
 
     <issueManagement>
@@ -104,7 +104,7 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <project.build.outputTimestamp>2024-02-24T08:17:44Z</project.build.outputTimestamp>
+        <project.build.outputTimestamp>2024-02-24T08:22:43Z</project.build.outputTimestamp>
         <maven.compiler.release>17</maven.compiler.release>
         <maven.compiler.source>17</maven.compiler.source>
         <maven.compiler.target>17</maven.compiler.target>