diff --git a/apache-maven/pom.xml b/apache-maven/pom.xml
index 1e5a159327..b5375d2db1 100644
--- a/apache-maven/pom.xml
+++ b/apache-maven/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.1.0</version>
+    <version>3.1.1-SNAPSHOT</version>
   </parent>
 
   <artifactId>apache-maven</artifactId>
diff --git a/maven-aether-provider/pom.xml b/maven-aether-provider/pom.xml
index b168e0291f..e208551143 100644
--- a/maven-aether-provider/pom.xml
+++ b/maven-aether-provider/pom.xml
@@ -25,7 +25,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.1.0</version>
+    <version>3.1.1-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-aether-provider</artifactId>
diff --git a/maven-artifact/pom.xml b/maven-artifact/pom.xml
index 2ac838edab..1b59f93417 100644
--- a/maven-artifact/pom.xml
+++ b/maven-artifact/pom.xml
@@ -16,7 +16,7 @@
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.1.0</version>
+    <version>3.1.1-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-artifact</artifactId>
diff --git a/maven-compat/pom.xml b/maven-compat/pom.xml
index f0fb608127..4d42a05aa3 100644
--- a/maven-compat/pom.xml
+++ b/maven-compat/pom.xml
@@ -16,7 +16,7 @@
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.1.0</version>
+    <version>3.1.1-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-compat</artifactId>
diff --git a/maven-core/pom.xml b/maven-core/pom.xml
index 85ee9a95f5..f514ba2bdb 100644
--- a/maven-core/pom.xml
+++ b/maven-core/pom.xml
@@ -16,7 +16,7 @@
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.1.0</version>
+    <version>3.1.1-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-core</artifactId>
diff --git a/maven-embedder/pom.xml b/maven-embedder/pom.xml
index 59e5555c1b..b285893377 100644
--- a/maven-embedder/pom.xml
+++ b/maven-embedder/pom.xml
@@ -16,7 +16,7 @@
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.1.0</version>
+    <version>3.1.1-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-embedder</artifactId>
diff --git a/maven-model-builder/pom.xml b/maven-model-builder/pom.xml
index 677368a302..57cdd8c589 100644
--- a/maven-model-builder/pom.xml
+++ b/maven-model-builder/pom.xml
@@ -16,7 +16,7 @@
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.1.0</version>
+    <version>3.1.1-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-model-builder</artifactId>
diff --git a/maven-model/pom.xml b/maven-model/pom.xml
index fc42596f75..8ce7653ea0 100644
--- a/maven-model/pom.xml
+++ b/maven-model/pom.xml
@@ -25,7 +25,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.1.0</version>
+    <version>3.1.1-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-model</artifactId>
diff --git a/maven-plugin-api/pom.xml b/maven-plugin-api/pom.xml
index a230cc255f..e05e1c067e 100644
--- a/maven-plugin-api/pom.xml
+++ b/maven-plugin-api/pom.xml
@@ -25,7 +25,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.1.0</version>
+    <version>3.1.1-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-plugin-api</artifactId>
diff --git a/maven-repository-metadata/pom.xml b/maven-repository-metadata/pom.xml
index 70e2f2fd31..70e06201cf 100644
--- a/maven-repository-metadata/pom.xml
+++ b/maven-repository-metadata/pom.xml
@@ -25,7 +25,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.1.0</version>
+    <version>3.1.1-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-repository-metadata</artifactId>
diff --git a/maven-settings-builder/pom.xml b/maven-settings-builder/pom.xml
index a1cd161815..3d2c093e28 100644
--- a/maven-settings-builder/pom.xml
+++ b/maven-settings-builder/pom.xml
@@ -25,7 +25,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.1.0</version>
+    <version>3.1.1-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-settings-builder</artifactId>
diff --git a/maven-settings/pom.xml b/maven-settings/pom.xml
index b4abe63319..a35920b252 100644
--- a/maven-settings/pom.xml
+++ b/maven-settings/pom.xml
@@ -25,7 +25,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.1.0</version>
+    <version>3.1.1-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-settings</artifactId>
diff --git a/pom.xml b/pom.xml
index 857a66c34b..8861c7419c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -26,7 +26,7 @@
   </parent>
 
   <artifactId>maven</artifactId>
-  <version>3.1.0</version>
+  <version>3.1.1-SNAPSHOT</version>
   <packaging>pom</packaging>
 
   <name>Apache Maven</name>
@@ -87,7 +87,7 @@
     <connection>scm:git:https://git-wip-us.apache.org/repos/asf/maven.git</connection>
     <developerConnection>scm:git:https://git-wip-us.apache.org/repos/asf/maven.git</developerConnection>
     <url>https://git-wip-us.apache.org/repos/asf?p=maven.git</url>
-    <tag>maven-3.1.0</tag>
+    <tag>HEAD</tag>
   </scm>
   <issueManagement>
     <system>jira</system>