diff --git a/apache-maven/maven-wrapper.pom b/apache-maven/maven-wrapper.pom
index f2bcc7fc141..daf1be1e2c9 100644
--- a/apache-maven/maven-wrapper.pom
+++ b/apache-maven/maven-wrapper.pom
@@ -24,7 +24,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.7.0-SNAPSHOT</version>
+    <version>4.0.0-alpha-1-SNAPSHOT</version>
   </parent>
   
   <artifactId>apache-maven-wrapper</artifactId>
diff --git a/apache-maven/pom.xml b/apache-maven/pom.xml
index 99c4032dffb..b5c26a43cbe 100644
--- a/apache-maven/pom.xml
+++ b/apache-maven/pom.xml
@@ -25,7 +25,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.7.0-SNAPSHOT</version>
+    <version>4.0.0-alpha-1-SNAPSHOT</version>
   </parent>
 
   <artifactId>apache-maven</artifactId>
diff --git a/maven-artifact/pom.xml b/maven-artifact/pom.xml
index 336505b90e7..f47867b017c 100644
--- a/maven-artifact/pom.xml
+++ b/maven-artifact/pom.xml
@@ -25,7 +25,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.7.0-SNAPSHOT</version>
+    <version>4.0.0-alpha-1-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-artifact</artifactId>
diff --git a/maven-builder-support/pom.xml b/maven-builder-support/pom.xml
index db310a071cf..edaf5f4c344 100644
--- a/maven-builder-support/pom.xml
+++ b/maven-builder-support/pom.xml
@@ -25,7 +25,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.7.0-SNAPSHOT</version>
+    <version>4.0.0-alpha-1-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-builder-support</artifactId>
diff --git a/maven-compat/pom.xml b/maven-compat/pom.xml
index c838401c7d3..73d1a2463c0 100644
--- a/maven-compat/pom.xml
+++ b/maven-compat/pom.xml
@@ -25,7 +25,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.7.0-SNAPSHOT</version>
+    <version>4.0.0-alpha-1-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-compat</artifactId>
diff --git a/maven-core/pom.xml b/maven-core/pom.xml
index 7128c3555d7..7c965cefbad 100644
--- a/maven-core/pom.xml
+++ b/maven-core/pom.xml
@@ -25,7 +25,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.7.0-SNAPSHOT</version>
+    <version>4.0.0-alpha-1-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-core</artifactId>
diff --git a/maven-embedder/pom.xml b/maven-embedder/pom.xml
index 47ab3362575..0ca1244aa4d 100644
--- a/maven-embedder/pom.xml
+++ b/maven-embedder/pom.xml
@@ -25,7 +25,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.7.0-SNAPSHOT</version>
+    <version>4.0.0-alpha-1-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-embedder</artifactId>
diff --git a/maven-model-builder/pom.xml b/maven-model-builder/pom.xml
index 583d6cbd5f6..9415e5d7ff8 100644
--- a/maven-model-builder/pom.xml
+++ b/maven-model-builder/pom.xml
@@ -25,7 +25,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.7.0-SNAPSHOT</version>
+    <version>4.0.0-alpha-1-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-model-builder</artifactId>
diff --git a/maven-model/pom.xml b/maven-model/pom.xml
index 023855e2527..abb6add6b70 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>3.7.0-SNAPSHOT</version>
+    <version>4.0.0-alpha-1-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-model</artifactId>
diff --git a/maven-plugin-api/pom.xml b/maven-plugin-api/pom.xml
index 579022eb6e8..be4b99399f7 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>3.7.0-SNAPSHOT</version>
+    <version>4.0.0-alpha-1-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-plugin-api</artifactId>
diff --git a/maven-repository-metadata/pom.xml b/maven-repository-metadata/pom.xml
index 538e0aedf38..28fbbf850a2 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>3.7.0-SNAPSHOT</version>
+    <version>4.0.0-alpha-1-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-repository-metadata</artifactId>
diff --git a/maven-resolver-provider/pom.xml b/maven-resolver-provider/pom.xml
index 23397504eac..de33876bd10 100644
--- a/maven-resolver-provider/pom.xml
+++ b/maven-resolver-provider/pom.xml
@@ -25,7 +25,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.7.0-SNAPSHOT</version>
+    <version>4.0.0-alpha-1-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-resolver-provider</artifactId>
diff --git a/maven-settings-builder/pom.xml b/maven-settings-builder/pom.xml
index aec3595a106..c8737402095 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>3.7.0-SNAPSHOT</version>
+    <version>4.0.0-alpha-1-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-settings-builder</artifactId>
diff --git a/maven-settings/pom.xml b/maven-settings/pom.xml
index 97f0034d475..83288e5f540 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>3.7.0-SNAPSHOT</version>
+    <version>4.0.0-alpha-1-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-settings</artifactId>
diff --git a/maven-slf4j-provider/pom.xml b/maven-slf4j-provider/pom.xml
index 7af239cdc53..b109f9edef2 100644
--- a/maven-slf4j-provider/pom.xml
+++ b/maven-slf4j-provider/pom.xml
@@ -25,7 +25,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.7.0-SNAPSHOT</version>
+    <version>4.0.0-alpha-1-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-slf4j-provider</artifactId>
diff --git a/maven-slf4j-wrapper/pom.xml b/maven-slf4j-wrapper/pom.xml
index 746c328226e..bdb768718ca 100644
--- a/maven-slf4j-wrapper/pom.xml
+++ b/maven-slf4j-wrapper/pom.xml
@@ -25,7 +25,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.7.0-SNAPSHOT</version>
+    <version>4.0.0-alpha-1-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-slf4j-wrapper</artifactId>
diff --git a/maven-wrapper/pom.xml b/maven-wrapper/pom.xml
index c156fc89d7e..248adc7dbfa 100644
--- a/maven-wrapper/pom.xml
+++ b/maven-wrapper/pom.xml
@@ -24,7 +24,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.7.0-SNAPSHOT</version>
+    <version>4.0.0-alpha-1-SNAPSHOT</version>
   </parent>
   
   <artifactId>maven-wrapper</artifactId>
diff --git a/maven-xml/pom.xml b/maven-xml/pom.xml
index 6b98f1230c2..7995e98548b 100644
--- a/maven-xml/pom.xml
+++ b/maven-xml/pom.xml
@@ -26,7 +26,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.7.0-SNAPSHOT</version>
+    <version>4.0.0-alpha-1-SNAPSHOT</version>
   </parent>
   <artifactId>maven-xml</artifactId>
   <name>Maven XML</name>
diff --git a/pom.xml b/pom.xml
index 83d848c7335..335e666ec17 100644
--- a/pom.xml
+++ b/pom.xml
@@ -30,7 +30,7 @@ under the License.
   </parent>
 
   <artifactId>maven</artifactId>
-  <version>3.7.0-SNAPSHOT</version>
+  <version>4.0.0-alpha-1-SNAPSHOT</version>
   <packaging>pom</packaging>
 
   <name>Apache Maven</name>