[maven-release-plugin] prepare for next development iteration
diff --git a/maven-plugin-testing-harness/pom.xml b/maven-plugin-testing-harness/pom.xml
index a5b9f6c..3acd286 100644
--- a/maven-plugin-testing-harness/pom.xml
+++ b/maven-plugin-testing-harness/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.maven.plugin-testing</groupId>
     <artifactId>maven-plugin-testing</artifactId>
-    <version>3.2.0</version>
+    <version>3.2.1-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-plugin-testing-harness</artifactId>
diff --git a/maven-plugin-testing-tools/pom.xml b/maven-plugin-testing-tools/pom.xml
index e5f857a..6253222 100644
--- a/maven-plugin-testing-tools/pom.xml
+++ b/maven-plugin-testing-tools/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.maven.plugin-testing</groupId>
     <artifactId>maven-plugin-testing</artifactId>
-    <version>3.2.0</version>
+    <version>3.2.1-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-plugin-testing-tools</artifactId>
diff --git a/maven-test-tools/pom.xml b/maven-test-tools/pom.xml
index 1a50aa5..cea161f 100644
--- a/maven-test-tools/pom.xml
+++ b/maven-test-tools/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.maven.plugin-testing</groupId>
     <artifactId>maven-plugin-testing</artifactId>
-    <version>3.2.0</version>
+    <version>3.2.1-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-test-tools</artifactId>
diff --git a/pom.xml b/pom.xml
index f668b78..ed53b95 100644
--- a/pom.xml
+++ b/pom.xml
@@ -31,7 +31,7 @@
 
   <groupId>org.apache.maven.plugin-testing</groupId>
   <artifactId>maven-plugin-testing</artifactId>
-  <version>3.2.0</version>
+  <version>3.2.1-SNAPSHOT</version>
   <packaging>pom</packaging>
 
   <name>Maven Plugin Testing</name>
@@ -127,7 +127,7 @@
     <connection>scm:git:https://git-wip-us.apache.org/repos/asf/maven-plugin-testing.git</connection>
     <developerConnection>scm:git:https://git-wip-us.apache.org/repos/asf/maven-plugin-testing.git</developerConnection>
     <url>https://github.com/apache/maven-plugin-testing/</url>
-    <tag>maven-plugin-testing-3.2.0</tag>
+    <tag>master</tag>
   </scm>
   <issueManagement>
     <system>jira</system>