diff --git a/apache-maven/pom.xml b/apache-maven/pom.xml
index 915f6e1eaa..96e0a45737 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>3.9.10-SNAPSHOT</version>
+    <version>3.9.9</version>
   </parent>
 
   <artifactId>apache-maven</artifactId>
diff --git a/maven-artifact/pom.xml b/maven-artifact/pom.xml
index 7ee9adcc2c..4cd59a3294 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>3.9.10-SNAPSHOT</version>
+    <version>3.9.9</version>
   </parent>
 
   <artifactId>maven-artifact</artifactId>
diff --git a/maven-builder-support/pom.xml b/maven-builder-support/pom.xml
index a1f638f9d7..ad3b856712 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>3.9.10-SNAPSHOT</version>
+    <version>3.9.9</version>
   </parent>
 
   <artifactId>maven-builder-support</artifactId>
diff --git a/maven-compat/pom.xml b/maven-compat/pom.xml
index b9ef4ba26b..74287d6ee6 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>3.9.10-SNAPSHOT</version>
+    <version>3.9.9</version>
   </parent>
 
   <artifactId>maven-compat</artifactId>
diff --git a/maven-core/pom.xml b/maven-core/pom.xml
index 4a34b80e08..3f5c098acf 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>3.9.10-SNAPSHOT</version>
+    <version>3.9.9</version>
   </parent>
 
   <artifactId>maven-core</artifactId>
diff --git a/maven-embedder/pom.xml b/maven-embedder/pom.xml
index a111716144..006035c6d1 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>3.9.10-SNAPSHOT</version>
+    <version>3.9.9</version>
   </parent>
 
   <artifactId>maven-embedder</artifactId>
diff --git a/maven-model-builder/pom.xml b/maven-model-builder/pom.xml
index 6aba40db1a..9d3eaa179a 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>3.9.10-SNAPSHOT</version>
+    <version>3.9.9</version>
   </parent>
 
   <artifactId>maven-model-builder</artifactId>
diff --git a/maven-model/pom.xml b/maven-model/pom.xml
index 72a980f652..8dcaed008f 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>3.9.10-SNAPSHOT</version>
+    <version>3.9.9</version>
   </parent>
 
   <artifactId>maven-model</artifactId>
diff --git a/maven-plugin-api/pom.xml b/maven-plugin-api/pom.xml
index 5b985c6a7c..250ae9411d 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>3.9.10-SNAPSHOT</version>
+    <version>3.9.9</version>
   </parent>
 
   <artifactId>maven-plugin-api</artifactId>
diff --git a/maven-repository-metadata/pom.xml b/maven-repository-metadata/pom.xml
index e491f5bc3f..c29bedae70 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>3.9.10-SNAPSHOT</version>
+    <version>3.9.9</version>
   </parent>
 
   <artifactId>maven-repository-metadata</artifactId>
diff --git a/maven-resolver-provider/pom.xml b/maven-resolver-provider/pom.xml
index cde70dda83..7d04d87409 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>3.9.10-SNAPSHOT</version>
+    <version>3.9.9</version>
   </parent>
 
   <artifactId>maven-resolver-provider</artifactId>
diff --git a/maven-settings-builder/pom.xml b/maven-settings-builder/pom.xml
index 9302e8d73e..ff184da44c 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>3.9.10-SNAPSHOT</version>
+    <version>3.9.9</version>
   </parent>
 
   <artifactId>maven-settings-builder</artifactId>
diff --git a/maven-settings/pom.xml b/maven-settings/pom.xml
index 9f21810d2f..93cb5eb356 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>3.9.10-SNAPSHOT</version>
+    <version>3.9.9</version>
   </parent>
 
   <artifactId>maven-settings</artifactId>
diff --git a/maven-slf4j-provider/pom.xml b/maven-slf4j-provider/pom.xml
index 60c55b6004..2eb3e2df3c 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>3.9.10-SNAPSHOT</version>
+    <version>3.9.9</version>
   </parent>
 
   <artifactId>maven-slf4j-provider</artifactId>
diff --git a/pom.xml b/pom.xml
index 522c04dca9..5b92ec717c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -28,7 +28,7 @@ under the License.
   </parent>
 
   <artifactId>maven</artifactId>
-  <version>3.9.10-SNAPSHOT</version>
+  <version>3.9.9</version>
   <packaging>pom</packaging>
 
   <name>Apache Maven</name>
@@ -104,7 +104,7 @@ 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-3.9.x</tag>
+    <tag>maven-3.9.9</tag>
     <url>https://github.com/apache/maven/tree/${project.scm.tag}</url>
   </scm>
   <issueManagement>
@@ -156,7 +156,7 @@ under the License.
     <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>2024-08-13T15:54:01Z</project.build.outputTimestamp>
+    <project.build.outputTimestamp>2024-08-14T08:48:47Z</project.build.outputTimestamp>
   </properties>
 
   <!--bootstrap-start-comment-->