[maven-release-plugin] prepare release maven-3.1.0
diff --git a/apache-maven/pom.xml b/apache-maven/pom.xml
index 7e3dea8..49ab2e9 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-SNAPSHOT</version>
+    <version>3.1.0</version>
   </parent>
 
   <artifactId>apache-maven</artifactId>
diff --git a/maven-aether-provider/pom.xml b/maven-aether-provider/pom.xml
index a54fd37..1bb1126 100644
--- a/maven-aether-provider/pom.xml
+++ b/maven-aether-provider/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.1-SNAPSHOT</version>
+    <version>3.1.0</version>
   </parent>
 
   <artifactId>maven-aether-provider</artifactId>
diff --git a/maven-artifact/pom.xml b/maven-artifact/pom.xml
index 2b1256e..2ac838e 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-SNAPSHOT</version>
+    <version>3.1.0</version>
   </parent>
 
   <artifactId>maven-artifact</artifactId>
diff --git a/maven-compat/pom.xml b/maven-compat/pom.xml
index 7ae418e..21270b7 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-SNAPSHOT</version>
+    <version>3.1.0</version>
   </parent>
 
   <artifactId>maven-compat</artifactId>
diff --git a/maven-core/pom.xml b/maven-core/pom.xml
index e9507ac..c9293ba 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-SNAPSHOT</version>
+    <version>3.1.0</version>
   </parent>
 
   <artifactId>maven-core</artifactId>
diff --git a/maven-embedder/pom.xml b/maven-embedder/pom.xml
index 609044c..3eed48b 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-SNAPSHOT</version>
+    <version>3.1.0</version>
   </parent>
 
   <artifactId>maven-embedder</artifactId>
diff --git a/maven-model-builder/pom.xml b/maven-model-builder/pom.xml
index c8d95c6..677368a 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-SNAPSHOT</version>
+    <version>3.1.0</version>
   </parent>
 
   <artifactId>maven-model-builder</artifactId>
diff --git a/maven-model/pom.xml b/maven-model/pom.xml
index f00f6b0..fc42596 100644
--- a/maven-model/pom.xml
+++ b/maven-model/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.1-SNAPSHOT</version>
+    <version>3.1.0</version>
   </parent>
 
   <artifactId>maven-model</artifactId>
diff --git a/maven-plugin-api/pom.xml b/maven-plugin-api/pom.xml
index 821aca4..a230cc2 100644
--- a/maven-plugin-api/pom.xml
+++ b/maven-plugin-api/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.1-SNAPSHOT</version>
+    <version>3.1.0</version>
   </parent>
 
   <artifactId>maven-plugin-api</artifactId>
diff --git a/maven-repository-metadata/pom.xml b/maven-repository-metadata/pom.xml
index 18da94c..70e2f2f 100644
--- a/maven-repository-metadata/pom.xml
+++ b/maven-repository-metadata/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.1-SNAPSHOT</version>
+    <version>3.1.0</version>
   </parent>
 
   <artifactId>maven-repository-metadata</artifactId>
diff --git a/maven-settings-builder/pom.xml b/maven-settings-builder/pom.xml
index 4538b2d..a1cd161 100644
--- a/maven-settings-builder/pom.xml
+++ b/maven-settings-builder/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.1-SNAPSHOT</version>
+    <version>3.1.0</version>
   </parent>
 
   <artifactId>maven-settings-builder</artifactId>
diff --git a/maven-settings/pom.xml b/maven-settings/pom.xml
index 01fbd88..b4abe63 100644
--- a/maven-settings/pom.xml
+++ b/maven-settings/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.1-SNAPSHOT</version>
+    <version>3.1.0</version>
   </parent>
 
   <artifactId>maven-settings</artifactId>
diff --git a/pom.xml b/pom.xml
index d3117fc..19edb60 100644
--- a/pom.xml
+++ b/pom.xml
@@ -26,7 +26,7 @@
   </parent>
 
   <artifactId>maven</artifactId>
-  <version>3.1-SNAPSHOT</version>
+  <version>3.1.0</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>HEAD</tag>
+    <tag>maven-3.1.0</tag>
   </scm>
   <issueManagement>
     <system>jira</system>