diff --git a/README.md b/README.md
index 83b34f8..6b6028c 100644
--- a/README.md
+++ b/README.md
@@ -35,7 +35,7 @@ The following goals implement increasingly strict rulesets:
 
 ````
 <properties>
-    <kemitix-checkstyle-ruleset.version>2.0.0</kemitix-checkstyle-ruleset.version>
+    <kemitix-checkstyle-ruleset.version>2.1.0</kemitix-checkstyle-ruleset.version>
     <kemitix-checkstyle-ruleset.level>5-complexity</kemitix-checkstyle-ruleset.level>
 </properties>
 
diff --git a/builder/pom.xml b/builder/pom.xml
index d67577c..6f91619 100644
--- a/builder/pom.xml
+++ b/builder/pom.xml
@@ -12,7 +12,7 @@
     </parent>
 
     <artifactId>kemitix-checkstyle-ruleset-builder</artifactId>
-    <version>2.0.0</version>
+    <version>2.1.0-SNAPSHOT</version>
     <packaging>jar</packaging>
 
     <name>Kemitix Checkstyle Ruleset Builder</name>
diff --git a/builder/src/main/resources/README-template.md b/builder/src/main/resources/README-template.md
index 489eaa5..58c64ac 100644
--- a/builder/src/main/resources/README-template.md
+++ b/builder/src/main/resources/README-template.md
@@ -35,7 +35,7 @@ The following goals implement increasingly strict rulesets:
 
 ````
 <properties>
-    <kemitix-checkstyle-ruleset.version>2.0.0</kemitix-checkstyle-ruleset.version>
+    <kemitix-checkstyle-ruleset.version>2.1.0</kemitix-checkstyle-ruleset.version>
     <kemitix-checkstyle-ruleset.level>5-complexity</kemitix-checkstyle-ruleset.level>
 </properties>
 
diff --git a/plugin-sample/pom.xml b/plugin-sample/pom.xml
index ff67a52..1a47023 100644
--- a/plugin-sample/pom.xml
+++ b/plugin-sample/pom.xml
@@ -8,7 +8,7 @@
     <!-- don't use parent to avoid using grandparent's checkstyle configuration -->
     <groupId>net.kemitix</groupId>
     <artifactId>kemitix-checkstyle-ruleset-plugin-sample</artifactId>
-    <version>2.0.0</version>
+    <version>2.1.0-SNAPSHOT</version>
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
diff --git a/plugin/pom.xml b/plugin/pom.xml
index 3144f37..880a333 100644
--- a/plugin/pom.xml
+++ b/plugin/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>net.kemitix</groupId>
         <artifactId>kemitix-checkstyle-ruleset-parent</artifactId>
-        <version>2.0.0</version>
+        <version>2.1.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>kemitix-checkstyle-ruleset-maven-plugin</artifactId>
diff --git a/plugin/src/main/java/net/kemitix/checkstyle/ruleset/plugin/AbstractCheckMojo.java b/plugin/src/main/java/net/kemitix/checkstyle/ruleset/plugin/AbstractCheckMojo.java
index cda8265..06314cf 100644
--- a/plugin/src/main/java/net/kemitix/checkstyle/ruleset/plugin/AbstractCheckMojo.java
+++ b/plugin/src/main/java/net/kemitix/checkstyle/ruleset/plugin/AbstractCheckMojo.java
@@ -74,7 +74,7 @@ public abstract class AbstractCheckMojo extends AbstractMojo {
     private String sevntuVersion;
 
     @Setter
-    @Parameter(defaultValue = "2.0.0")
+    @Parameter(defaultValue = "2.1.0-SNAPSHOT")
     private String rulesetVersion;
 
     @Setter
diff --git a/pom.xml b/pom.xml
index 55f63be..6671efc 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>net.kemitix</groupId>
     <artifactId>kemitix-checkstyle-ruleset-parent</artifactId>
-    <version>2.0.0</version>
+    <version>2.1.0-SNAPSHOT</version>
     <packaging>pom</packaging>
 
     <name>Kemitix Checkstyle Ruleset (Parent)</name>
diff --git a/ruleset/pom.xml b/ruleset/pom.xml
index f4a6200..b5bef66 100644
--- a/ruleset/pom.xml
+++ b/ruleset/pom.xml
@@ -7,11 +7,11 @@
     <parent>
         <groupId>net.kemitix</groupId>
         <artifactId>kemitix-checkstyle-ruleset-parent</artifactId>
-        <version>2.0.0</version>
+        <version>2.1.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>kemitix-checkstyle-ruleset</artifactId>
-    <version>2.0.0</version>
+    <version>2.1.0-SNAPSHOT</version>
     <packaging>jar</packaging>
 
     <name>Kemitix Checkstyle Ruleset</name>