diff --git a/apache-maven/pom.xml b/apache-maven/pom.xml
index a44ca215a5..7704a9a19c 100644
--- a/apache-maven/pom.xml
+++ b/apache-maven/pom.xml
@@ -23,7 +23,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>4.0.0-alpha-8</version>
+    <version>4.0.0-alpha-9-SNAPSHOT</version>
   </parent>
 
   <artifactId>apache-maven</artifactId>
diff --git a/api/maven-api-core/pom.xml b/api/maven-api-core/pom.xml
index b725eacfb0..20f50385f0 100644
--- a/api/maven-api-core/pom.xml
+++ b/api/maven-api-core/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven-api</artifactId>
-    <version>4.0.0-alpha-8</version>
+    <version>4.0.0-alpha-9-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-api-core</artifactId>
@@ -34,22 +34,22 @@
     <dependency>
       <groupId>org.apache.maven</groupId>
       <artifactId>maven-api-meta</artifactId>
-      <version>4.0.0-alpha-8</version>
+      <version>4.0.0-alpha-9-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>org.apache.maven</groupId>
       <artifactId>maven-api-model</artifactId>
-      <version>4.0.0-alpha-8</version>
+      <version>4.0.0-alpha-9-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>org.apache.maven</groupId>
       <artifactId>maven-api-settings</artifactId>
-      <version>4.0.0-alpha-8</version>
+      <version>4.0.0-alpha-9-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>org.apache.maven</groupId>
       <artifactId>maven-api-toolchain</artifactId>
-      <version>4.0.0-alpha-8</version>
+      <version>4.0.0-alpha-9-SNAPSHOT</version>
     </dependency>
   </dependencies>
 
diff --git a/api/maven-api-meta/pom.xml b/api/maven-api-meta/pom.xml
index 3fd47518ce..688422645c 100644
--- a/api/maven-api-meta/pom.xml
+++ b/api/maven-api-meta/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven-api</artifactId>
-    <version>4.0.0-alpha-8</version>
+    <version>4.0.0-alpha-9-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-api-meta</artifactId>
diff --git a/api/maven-api-model/pom.xml b/api/maven-api-model/pom.xml
index 8ef392d56c..c4b884cd5e 100644
--- a/api/maven-api-model/pom.xml
+++ b/api/maven-api-model/pom.xml
@@ -23,7 +23,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven-api</artifactId>
-    <version>4.0.0-alpha-8</version>
+    <version>4.0.0-alpha-9-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-api-model</artifactId>
@@ -35,7 +35,7 @@ under the License.
     <dependency>
       <groupId>org.apache.maven</groupId>
       <artifactId>maven-api-xml</artifactId>
-      <version>4.0.0-alpha-8</version>
+      <version>4.0.0-alpha-9-SNAPSHOT</version>
     </dependency>
   </dependencies>
 
diff --git a/api/maven-api-settings/pom.xml b/api/maven-api-settings/pom.xml
index 1263a2a0e5..4878366485 100644
--- a/api/maven-api-settings/pom.xml
+++ b/api/maven-api-settings/pom.xml
@@ -23,7 +23,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven-api</artifactId>
-    <version>4.0.0-alpha-8</version>
+    <version>4.0.0-alpha-9-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-api-settings</artifactId>
@@ -35,7 +35,7 @@ under the License.
     <dependency>
       <groupId>org.apache.maven</groupId>
       <artifactId>maven-api-xml</artifactId>
-      <version>4.0.0-alpha-8</version>
+      <version>4.0.0-alpha-9-SNAPSHOT</version>
     </dependency>
   </dependencies>
 
diff --git a/api/maven-api-spi/pom.xml b/api/maven-api-spi/pom.xml
index 4798632407..01ba557bff 100644
--- a/api/maven-api-spi/pom.xml
+++ b/api/maven-api-spi/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven-api</artifactId>
-    <version>4.0.0-alpha-8</version>
+    <version>4.0.0-alpha-9-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-api-spi</artifactId>
diff --git a/api/maven-api-toolchain/pom.xml b/api/maven-api-toolchain/pom.xml
index ca9157392b..f7d288f85a 100644
--- a/api/maven-api-toolchain/pom.xml
+++ b/api/maven-api-toolchain/pom.xml
@@ -22,7 +22,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven-api</artifactId>
-    <version>4.0.0-alpha-8</version>
+    <version>4.0.0-alpha-9-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-api-toolchain</artifactId>
@@ -34,7 +34,7 @@ under the License.
     <dependency>
       <groupId>org.apache.maven</groupId>
       <artifactId>maven-api-xml</artifactId>
-      <version>4.0.0-alpha-8</version>
+      <version>4.0.0-alpha-9-SNAPSHOT</version>
     </dependency>
   </dependencies>
 
diff --git a/api/maven-api-xml/pom.xml b/api/maven-api-xml/pom.xml
index 07804dd4aa..a9fd26280b 100644
--- a/api/maven-api-xml/pom.xml
+++ b/api/maven-api-xml/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven-api</artifactId>
-    <version>4.0.0-alpha-8</version>
+    <version>4.0.0-alpha-9-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-api-xml</artifactId>
@@ -34,7 +34,7 @@
     <dependency>
       <groupId>org.apache.maven</groupId>
       <artifactId>maven-api-meta</artifactId>
-      <version>4.0.0-alpha-8</version>
+      <version>4.0.0-alpha-9-SNAPSHOT</version>
     </dependency>
   </dependencies>
 
diff --git a/api/pom.xml b/api/pom.xml
index 7ad87efbf3..6489ee1704 100644
--- a/api/pom.xml
+++ b/api/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>4.0.0-alpha-8</version>
+    <version>4.0.0-alpha-9-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-api</artifactId>
diff --git a/maven-artifact/pom.xml b/maven-artifact/pom.xml
index 493d7c8890..e5af4d57f9 100644
--- a/maven-artifact/pom.xml
+++ b/maven-artifact/pom.xml
@@ -23,7 +23,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>4.0.0-alpha-8</version>
+    <version>4.0.0-alpha-9-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-artifact</artifactId>
diff --git a/maven-bom/pom.xml b/maven-bom/pom.xml
index ef3224d582..38e36b998c 100644
--- a/maven-bom/pom.xml
+++ b/maven-bom/pom.xml
@@ -27,7 +27,7 @@ under the License.
   </parent>
 
   <artifactId>maven-bom</artifactId>
-  <version>4.0.0-alpha-8</version>
+  <version>4.0.0-alpha-9-SNAPSHOT</version>
   <packaging>pom</packaging>
 
   <name>Maven Dependencies BOM</name>
@@ -37,7 +37,7 @@ under the License.
   <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-4.0.0-alpha-8</tag>
+    <tag>maven-4.0.0-alpha-3</tag>
     <url>https://github.com/apache/maven/tree/${project.scm.tag}/${project.artifactId}</url>
   </scm>
   <issueManagement>
diff --git a/maven-builder-support/pom.xml b/maven-builder-support/pom.xml
index 58d8e1afe7..69411426ab 100644
--- a/maven-builder-support/pom.xml
+++ b/maven-builder-support/pom.xml
@@ -23,7 +23,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>4.0.0-alpha-8</version>
+    <version>4.0.0-alpha-9-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-builder-support</artifactId>
diff --git a/maven-compat/pom.xml b/maven-compat/pom.xml
index 932e449636..8ae59665eb 100644
--- a/maven-compat/pom.xml
+++ b/maven-compat/pom.xml
@@ -23,7 +23,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>4.0.0-alpha-8</version>
+    <version>4.0.0-alpha-9-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-compat</artifactId>
diff --git a/maven-core/pom.xml b/maven-core/pom.xml
index 65958081ff..eac040fd51 100644
--- a/maven-core/pom.xml
+++ b/maven-core/pom.xml
@@ -23,7 +23,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>4.0.0-alpha-8</version>
+    <version>4.0.0-alpha-9-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-core</artifactId>
diff --git a/maven-embedder/pom.xml b/maven-embedder/pom.xml
index 92edeff26e..242017ca85 100644
--- a/maven-embedder/pom.xml
+++ b/maven-embedder/pom.xml
@@ -23,7 +23,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>4.0.0-alpha-8</version>
+    <version>4.0.0-alpha-9-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-embedder</artifactId>
diff --git a/maven-model-builder/pom.xml b/maven-model-builder/pom.xml
index 1bf9b2173b..e7a6fe7aa9 100644
--- a/maven-model-builder/pom.xml
+++ b/maven-model-builder/pom.xml
@@ -23,7 +23,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>4.0.0-alpha-8</version>
+    <version>4.0.0-alpha-9-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-model-builder</artifactId>
diff --git a/maven-model/pom.xml b/maven-model/pom.xml
index 46ddca6359..deed129281 100644
--- a/maven-model/pom.xml
+++ b/maven-model/pom.xml
@@ -23,7 +23,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>4.0.0-alpha-8</version>
+    <version>4.0.0-alpha-9-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-model</artifactId>
@@ -35,12 +35,12 @@ under the License.
     <dependency>
       <groupId>org.apache.maven</groupId>
       <artifactId>maven-api-model</artifactId>
-      <version>4.0.0-alpha-8</version>
+      <version>4.0.0-alpha-9-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>org.apache.maven</groupId>
       <artifactId>maven-xml-impl</artifactId>
-      <version>4.0.0-alpha-8</version>
+      <version>4.0.0-alpha-9-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>org.codehaus.plexus</groupId>
diff --git a/maven-plugin-api/pom.xml b/maven-plugin-api/pom.xml
index 433e3b70ae..8efff2ff24 100644
--- a/maven-plugin-api/pom.xml
+++ b/maven-plugin-api/pom.xml
@@ -23,7 +23,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>4.0.0-alpha-8</version>
+    <version>4.0.0-alpha-9-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-plugin-api</artifactId>
diff --git a/maven-repository-metadata/pom.xml b/maven-repository-metadata/pom.xml
index 7b217ce59a..422b2e4c38 100644
--- a/maven-repository-metadata/pom.xml
+++ b/maven-repository-metadata/pom.xml
@@ -23,7 +23,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>4.0.0-alpha-8</version>
+    <version>4.0.0-alpha-9-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-repository-metadata</artifactId>
diff --git a/maven-resolver-provider/pom.xml b/maven-resolver-provider/pom.xml
index 6f4463cb90..3fa1082705 100644
--- a/maven-resolver-provider/pom.xml
+++ b/maven-resolver-provider/pom.xml
@@ -23,7 +23,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>4.0.0-alpha-8</version>
+    <version>4.0.0-alpha-9-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-resolver-provider</artifactId>
diff --git a/maven-settings-builder/pom.xml b/maven-settings-builder/pom.xml
index 2ab6e939f9..4030e428a9 100644
--- a/maven-settings-builder/pom.xml
+++ b/maven-settings-builder/pom.xml
@@ -23,7 +23,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>4.0.0-alpha-8</version>
+    <version>4.0.0-alpha-9-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-settings-builder</artifactId>
diff --git a/maven-settings/pom.xml b/maven-settings/pom.xml
index f2f54ff069..c8481dc529 100644
--- a/maven-settings/pom.xml
+++ b/maven-settings/pom.xml
@@ -23,7 +23,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>4.0.0-alpha-8</version>
+    <version>4.0.0-alpha-9-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-settings</artifactId>
@@ -35,12 +35,12 @@ under the License.
     <dependency>
       <groupId>org.apache.maven</groupId>
       <artifactId>maven-api-settings</artifactId>
-      <version>4.0.0-alpha-8</version>
+      <version>4.0.0-alpha-9-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>org.apache.maven</groupId>
       <artifactId>maven-xml-impl</artifactId>
-      <version>4.0.0-alpha-8</version>
+      <version>4.0.0-alpha-9-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>org.codehaus.plexus</groupId>
diff --git a/maven-slf4j-provider/pom.xml b/maven-slf4j-provider/pom.xml
index d1229413cf..25c58a8e63 100644
--- a/maven-slf4j-provider/pom.xml
+++ b/maven-slf4j-provider/pom.xml
@@ -23,7 +23,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>4.0.0-alpha-8</version>
+    <version>4.0.0-alpha-9-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-slf4j-provider</artifactId>
diff --git a/maven-slf4j-wrapper/pom.xml b/maven-slf4j-wrapper/pom.xml
index 07ba9798a7..889bfe1e80 100644
--- a/maven-slf4j-wrapper/pom.xml
+++ b/maven-slf4j-wrapper/pom.xml
@@ -23,7 +23,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>4.0.0-alpha-8</version>
+    <version>4.0.0-alpha-9-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-slf4j-wrapper</artifactId>
diff --git a/maven-toolchain-builder/pom.xml b/maven-toolchain-builder/pom.xml
index a4fc1fe4a6..22338389c6 100644
--- a/maven-toolchain-builder/pom.xml
+++ b/maven-toolchain-builder/pom.xml
@@ -22,7 +22,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>4.0.0-alpha-8</version>
+    <version>4.0.0-alpha-9-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-toolchain-builder</artifactId>
diff --git a/maven-toolchain-model/pom.xml b/maven-toolchain-model/pom.xml
index b680e402ea..e29e9d7c7a 100644
--- a/maven-toolchain-model/pom.xml
+++ b/maven-toolchain-model/pom.xml
@@ -22,7 +22,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>4.0.0-alpha-8</version>
+    <version>4.0.0-alpha-9-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-toolchain-model</artifactId>
@@ -34,12 +34,12 @@ under the License.
     <dependency>
       <groupId>org.apache.maven</groupId>
       <artifactId>maven-api-toolchain</artifactId>
-      <version>4.0.0-alpha-8</version>
+      <version>4.0.0-alpha-9-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>org.apache.maven</groupId>
       <artifactId>maven-xml-impl</artifactId>
-      <version>4.0.0-alpha-8</version>
+      <version>4.0.0-alpha-9-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>org.codehaus.plexus</groupId>
diff --git a/maven-xml-impl/pom.xml b/maven-xml-impl/pom.xml
index 365340fb13..7103f4753f 100644
--- a/maven-xml-impl/pom.xml
+++ b/maven-xml-impl/pom.xml
@@ -22,7 +22,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>4.0.0-alpha-8</version>
+    <version>4.0.0-alpha-9-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-xml-impl</artifactId>
@@ -33,7 +33,7 @@ under the License.
     <dependency>
       <groupId>org.apache.maven</groupId>
       <artifactId>maven-api-xml</artifactId>
-      <version>4.0.0-alpha-8</version>
+      <version>4.0.0-alpha-9-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>org.eclipse.sisu</groupId>
diff --git a/pom.xml b/pom.xml
index 7c449b3f6b..9ac5ff8b4a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -29,7 +29,7 @@ under the License.
   </parent>
 
   <artifactId>maven</artifactId>
-  <version>4.0.0-alpha-8</version>
+  <version>4.0.0-alpha-9-SNAPSHOT</version>
   <packaging>pom</packaging>
 
   <name>Apache Maven</name>
@@ -126,7 +126,7 @@ under the License.
   <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-4.0.0-alpha-8</tag>
+    <tag>maven-4.0.0-alpha-3</tag>
     <url>https://github.com/apache/maven/tree/${project.scm.tag}</url>
   </scm>
   <issueManagement>
@@ -173,7 +173,7 @@ under the License.
     <distributionShortName>Maven</distributionShortName>
     <distributionName>Apache Maven</distributionName>
     <maven.site.path>ref/4-LATEST</maven.site.path>
-    <project.build.outputTimestamp>2023-10-20T19:18:59Z</project.build.outputTimestamp>
+    <project.build.outputTimestamp>2023-10-20T19:20:23Z</project.build.outputTimestamp>
   </properties>
 
   <!--bootstrap-start-comment-->