diff --git a/modello-core/pom.xml b/modello-core/pom.xml
index b13bbc1ff..c88173869 100644
--- a/modello-core/pom.xml
+++ b/modello-core/pom.xml
@@ -3,7 +3,7 @@
   <parent>
     <artifactId>modello</artifactId>
     <groupId>org.codehaus.modello</groupId>
-    <version>2.1.0</version>
+    <version>2.1.1-SNAPSHOT</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
diff --git a/modello-maven-plugin/pom.xml b/modello-maven-plugin/pom.xml
index c3619bb9a..d9699fd91 100644
--- a/modello-maven-plugin/pom.xml
+++ b/modello-maven-plugin/pom.xml
@@ -3,7 +3,7 @@
   <parent>
     <artifactId>modello</artifactId>
     <groupId>org.codehaus.modello</groupId>
-    <version>2.1.0</version>
+    <version>2.1.1-SNAPSHOT</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
diff --git a/modello-plugins/modello-plugin-converters/pom.xml b/modello-plugins/modello-plugin-converters/pom.xml
index 3996172c9..c80fdaae8 100644
--- a/modello-plugins/modello-plugin-converters/pom.xml
+++ b/modello-plugins/modello-plugin-converters/pom.xml
@@ -3,7 +3,7 @@
   <parent>
     <artifactId>modello-plugins</artifactId>
     <groupId>org.codehaus.modello</groupId>
-    <version>2.1.0</version>
+    <version>2.1.1-SNAPSHOT</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
diff --git a/modello-plugins/modello-plugin-dom4j/pom.xml b/modello-plugins/modello-plugin-dom4j/pom.xml
index a0f817e02..c89c4ed9d 100644
--- a/modello-plugins/modello-plugin-dom4j/pom.xml
+++ b/modello-plugins/modello-plugin-dom4j/pom.xml
@@ -3,7 +3,7 @@
   <parent>
     <artifactId>modello-plugins</artifactId>
     <groupId>org.codehaus.modello</groupId>
-    <version>2.1.0</version>
+    <version>2.1.1-SNAPSHOT</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
diff --git a/modello-plugins/modello-plugin-jackson/pom.xml b/modello-plugins/modello-plugin-jackson/pom.xml
index 655e314ad..fd95162f0 100644
--- a/modello-plugins/modello-plugin-jackson/pom.xml
+++ b/modello-plugins/modello-plugin-jackson/pom.xml
@@ -3,7 +3,7 @@
   <parent>
     <artifactId>modello-plugins</artifactId>
     <groupId>org.codehaus.modello</groupId>
-    <version>2.1.0</version>
+    <version>2.1.1-SNAPSHOT</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
diff --git a/modello-plugins/modello-plugin-java/pom.xml b/modello-plugins/modello-plugin-java/pom.xml
index 90a807d97..b9f5e8c5c 100644
--- a/modello-plugins/modello-plugin-java/pom.xml
+++ b/modello-plugins/modello-plugin-java/pom.xml
@@ -3,7 +3,7 @@
   <parent>
     <artifactId>modello-plugins</artifactId>
     <groupId>org.codehaus.modello</groupId>
-    <version>2.1.0</version>
+    <version>2.1.1-SNAPSHOT</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
diff --git a/modello-plugins/modello-plugin-jdom/pom.xml b/modello-plugins/modello-plugin-jdom/pom.xml
index 130f859bb..5f20e3615 100644
--- a/modello-plugins/modello-plugin-jdom/pom.xml
+++ b/modello-plugins/modello-plugin-jdom/pom.xml
@@ -3,7 +3,7 @@
   <parent>
     <artifactId>modello-plugins</artifactId>
     <groupId>org.codehaus.modello</groupId>
-    <version>2.1.0</version>
+    <version>2.1.1-SNAPSHOT</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
diff --git a/modello-plugins/modello-plugin-jsonschema/pom.xml b/modello-plugins/modello-plugin-jsonschema/pom.xml
index 804befc7a..70060de8e 100644
--- a/modello-plugins/modello-plugin-jsonschema/pom.xml
+++ b/modello-plugins/modello-plugin-jsonschema/pom.xml
@@ -3,7 +3,7 @@
   <parent>
     <artifactId>modello-plugins</artifactId>
     <groupId>org.codehaus.modello</groupId>
-    <version>2.1.0</version>
+    <version>2.1.1-SNAPSHOT</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
diff --git a/modello-plugins/modello-plugin-sax/pom.xml b/modello-plugins/modello-plugin-sax/pom.xml
index 852d67b7c..be67edfd3 100644
--- a/modello-plugins/modello-plugin-sax/pom.xml
+++ b/modello-plugins/modello-plugin-sax/pom.xml
@@ -3,7 +3,7 @@
   <parent>
     <artifactId>modello-plugins</artifactId>
     <groupId>org.codehaus.modello</groupId>
-    <version>2.1.0</version>
+    <version>2.1.1-SNAPSHOT</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
diff --git a/modello-plugins/modello-plugin-snakeyaml/pom.xml b/modello-plugins/modello-plugin-snakeyaml/pom.xml
index e8dfc0f1c..729815d23 100644
--- a/modello-plugins/modello-plugin-snakeyaml/pom.xml
+++ b/modello-plugins/modello-plugin-snakeyaml/pom.xml
@@ -3,7 +3,7 @@
   <parent>
     <artifactId>modello-plugins</artifactId>
     <groupId>org.codehaus.modello</groupId>
-    <version>2.1.0</version>
+    <version>2.1.1-SNAPSHOT</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
diff --git a/modello-plugins/modello-plugin-stax/pom.xml b/modello-plugins/modello-plugin-stax/pom.xml
index 2b571e349..40f5bd04a 100644
--- a/modello-plugins/modello-plugin-stax/pom.xml
+++ b/modello-plugins/modello-plugin-stax/pom.xml
@@ -3,7 +3,7 @@
   <parent>
     <artifactId>modello-plugins</artifactId>
     <groupId>org.codehaus.modello</groupId>
-    <version>2.1.0</version>
+    <version>2.1.1-SNAPSHOT</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
diff --git a/modello-plugins/modello-plugin-velocity/pom.xml b/modello-plugins/modello-plugin-velocity/pom.xml
index 351ce5f3a..99e572d8b 100644
--- a/modello-plugins/modello-plugin-velocity/pom.xml
+++ b/modello-plugins/modello-plugin-velocity/pom.xml
@@ -3,7 +3,7 @@
   <parent>
     <artifactId>modello-plugins</artifactId>
     <groupId>org.codehaus.modello</groupId>
-    <version>2.1.0</version>
+    <version>2.1.1-SNAPSHOT</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
diff --git a/modello-plugins/modello-plugin-xdoc/pom.xml b/modello-plugins/modello-plugin-xdoc/pom.xml
index a79e69f77..6286ded05 100644
--- a/modello-plugins/modello-plugin-xdoc/pom.xml
+++ b/modello-plugins/modello-plugin-xdoc/pom.xml
@@ -3,7 +3,7 @@
   <parent>
     <artifactId>modello-plugins</artifactId>
     <groupId>org.codehaus.modello</groupId>
-    <version>2.1.0</version>
+    <version>2.1.1-SNAPSHOT</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
diff --git a/modello-plugins/modello-plugin-xml/pom.xml b/modello-plugins/modello-plugin-xml/pom.xml
index 53832b91f..209107d79 100644
--- a/modello-plugins/modello-plugin-xml/pom.xml
+++ b/modello-plugins/modello-plugin-xml/pom.xml
@@ -3,7 +3,7 @@
   <parent>
     <artifactId>modello-plugins</artifactId>
     <groupId>org.codehaus.modello</groupId>
-    <version>2.1.0</version>
+    <version>2.1.1-SNAPSHOT</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
diff --git a/modello-plugins/modello-plugin-xpp3/pom.xml b/modello-plugins/modello-plugin-xpp3/pom.xml
index a2a42e24b..f1b8f3d53 100644
--- a/modello-plugins/modello-plugin-xpp3/pom.xml
+++ b/modello-plugins/modello-plugin-xpp3/pom.xml
@@ -3,7 +3,7 @@
   <parent>
     <artifactId>modello-plugins</artifactId>
     <groupId>org.codehaus.modello</groupId>
-    <version>2.1.0</version>
+    <version>2.1.1-SNAPSHOT</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
diff --git a/modello-plugins/modello-plugin-xsd/pom.xml b/modello-plugins/modello-plugin-xsd/pom.xml
index 72ed6372e..f0a07c91b 100644
--- a/modello-plugins/modello-plugin-xsd/pom.xml
+++ b/modello-plugins/modello-plugin-xsd/pom.xml
@@ -3,7 +3,7 @@
   <parent>
     <artifactId>modello-plugins</artifactId>
     <groupId>org.codehaus.modello</groupId>
-    <version>2.1.0</version>
+    <version>2.1.1-SNAPSHOT</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
diff --git a/modello-plugins/pom.xml b/modello-plugins/pom.xml
index a6002bac5..500043d71 100644
--- a/modello-plugins/pom.xml
+++ b/modello-plugins/pom.xml
@@ -3,7 +3,7 @@
   <parent>
     <artifactId>modello</artifactId>
     <groupId>org.codehaus.modello</groupId>
-    <version>2.1.0</version>
+    <version>2.1.1-SNAPSHOT</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
diff --git a/modello-test/pom.xml b/modello-test/pom.xml
index b3b35c67e..62d2eb584 100644
--- a/modello-test/pom.xml
+++ b/modello-test/pom.xml
@@ -3,7 +3,7 @@
   <parent>
     <artifactId>modello</artifactId>
     <groupId>org.codehaus.modello</groupId>
-    <version>2.1.0</version>
+    <version>2.1.1-SNAPSHOT</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
diff --git a/pom.xml b/pom.xml
index 6d65b47d1..3e59ca024 100644
--- a/pom.xml
+++ b/pom.xml
@@ -3,7 +3,7 @@
 
   <groupId>org.codehaus.modello</groupId>
   <artifactId>modello</artifactId>
-  <version>2.1.0</version>
+  <version>2.1.1-SNAPSHOT</version>
   <packaging>pom</packaging>
 
   <name>Modello</name>
@@ -181,7 +181,7 @@
     <connection>scm:git:https://github.com/codehaus-plexus/modello.git</connection>
     <developerConnection>scm:git:https://github.com/codehaus-plexus/modello.git</developerConnection>
     <url>http://github.com/codehaus-plexus/modello/tree/${project.scm.tag}/</url>
-    <tag>modello-2.1.0</tag>
+    <tag>master</tag>
   </scm>
   <issueManagement>
     <system>github</system>
@@ -226,7 +226,7 @@
       ! in the integration tests.
     -->
     <java.version>1.8</java.version>
-    <project.build.outputTimestamp>2022-12-31T10:28:51Z</project.build.outputTimestamp>
+    <project.build.outputTimestamp>2022-12-31T10:29:07Z</project.build.outputTimestamp>
   </properties>
 
   <dependencyManagement>