diff --git a/apache-maven/pom.xml b/apache-maven/pom.xml
index 93332cb..0c4cf07 100644
--- a/apache-maven/pom.xml
+++ b/apache-maven/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.9.8</version>
+    <version>3.9.9-SNAPSHOT</version>
   </parent>
 
   <artifactId>apache-maven</artifactId>
diff --git a/maven-artifact/pom.xml b/maven-artifact/pom.xml
index 10d1775..cbfefb7 100644
--- a/maven-artifact/pom.xml
+++ b/maven-artifact/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.9.8</version>
+    <version>3.9.9-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-artifact</artifactId>
diff --git a/maven-builder-support/pom.xml b/maven-builder-support/pom.xml
index 67ede44..b1405fd 100644
--- a/maven-builder-support/pom.xml
+++ b/maven-builder-support/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.9.8</version>
+    <version>3.9.9-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-builder-support</artifactId>
diff --git a/maven-compat/pom.xml b/maven-compat/pom.xml
index 4e663a0..c333def 100644
--- a/maven-compat/pom.xml
+++ b/maven-compat/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.9.8</version>
+    <version>3.9.9-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-compat</artifactId>
diff --git a/maven-core/pom.xml b/maven-core/pom.xml
index a9e2026..cd0379a 100644
--- a/maven-core/pom.xml
+++ b/maven-core/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.9.8</version>
+    <version>3.9.9-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-core</artifactId>
diff --git a/maven-embedder/pom.xml b/maven-embedder/pom.xml
index 0e03a5b..b4f2e57 100644
--- a/maven-embedder/pom.xml
+++ b/maven-embedder/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.9.8</version>
+    <version>3.9.9-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-embedder</artifactId>
diff --git a/maven-model-builder/pom.xml b/maven-model-builder/pom.xml
index 6306c04..42e1d71 100644
--- a/maven-model-builder/pom.xml
+++ b/maven-model-builder/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.9.8</version>
+    <version>3.9.9-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-model-builder</artifactId>
diff --git a/maven-model/pom.xml b/maven-model/pom.xml
index 551ca91..3f5dc1e 100644
--- a/maven-model/pom.xml
+++ b/maven-model/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.9.8</version>
+    <version>3.9.9-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-model</artifactId>
diff --git a/maven-plugin-api/pom.xml b/maven-plugin-api/pom.xml
index d85ca0a..f1868d5 100644
--- a/maven-plugin-api/pom.xml
+++ b/maven-plugin-api/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.9.8</version>
+    <version>3.9.9-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-plugin-api</artifactId>
diff --git a/maven-repository-metadata/pom.xml b/maven-repository-metadata/pom.xml
index a7fdeff..92dcbb4 100644
--- a/maven-repository-metadata/pom.xml
+++ b/maven-repository-metadata/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.9.8</version>
+    <version>3.9.9-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-repository-metadata</artifactId>
diff --git a/maven-resolver-provider/pom.xml b/maven-resolver-provider/pom.xml
index e808b40..328bc80 100644
--- a/maven-resolver-provider/pom.xml
+++ b/maven-resolver-provider/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.9.8</version>
+    <version>3.9.9-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-resolver-provider</artifactId>
diff --git a/maven-settings-builder/pom.xml b/maven-settings-builder/pom.xml
index 1051c11..03710a2 100644
--- a/maven-settings-builder/pom.xml
+++ b/maven-settings-builder/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.9.8</version>
+    <version>3.9.9-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-settings-builder</artifactId>
diff --git a/maven-settings/pom.xml b/maven-settings/pom.xml
index 5de45bf..9507163 100644
--- a/maven-settings/pom.xml
+++ b/maven-settings/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.9.8</version>
+    <version>3.9.9-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-settings</artifactId>
diff --git a/maven-slf4j-provider/pom.xml b/maven-slf4j-provider/pom.xml
index b26afc1..78064e8 100644
--- a/maven-slf4j-provider/pom.xml
+++ b/maven-slf4j-provider/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.9.8</version>
+    <version>3.9.9-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-slf4j-provider</artifactId>
diff --git a/pom.xml b/pom.xml
index a9fb0d6..0fd49a6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -28,7 +28,7 @@
   </parent>
 
   <artifactId>maven</artifactId>
-  <version>3.9.8</version>
+  <version>3.9.9-SNAPSHOT</version>
   <packaging>pom</packaging>
 
   <name>Apache Maven</name>
@@ -104,7 +104,7 @@
   <scm>
     <connection>scm:git:https://gitbox.apache.org/repos/asf/maven.git</connection>
     <developerConnection>scm:git:https://gitbox.apache.org/repos/asf/maven.git</developerConnection>
-    <tag>maven-3.9.8</tag>
+    <tag>maven-3.9.x</tag>
     <url>https://github.com/apache/maven/tree/${project.scm.tag}</url>
   </scm>
   <issueManagement>
@@ -156,7 +156,7 @@
     <maven.site.path>ref/3-LATEST</maven.site.path>
     <checkstyle.violation.ignore>None</checkstyle.violation.ignore>
     <checkstyle.excludes>**/package-info.java</checkstyle.excludes>
-    <project.build.outputTimestamp>2024-06-13T08:21:46Z</project.build.outputTimestamp>
+    <project.build.outputTimestamp>2024-06-13T08:22:44Z</project.build.outputTimestamp>
   </properties>
 
   <!--bootstrap-start-comment-->