diff --git a/CHANGELOG.md b/CHANGELOG.md
index 45383c2..3a66e64 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,7 @@
 ## Change log
 ----------------------
 
-Version 4.21-SNAPSHOT
+Version 4.21
 -------------
 
 ADDED: 
diff --git a/README.md b/README.md
index c292758..8e15b73 100644
--- a/README.md
+++ b/README.md
@@ -29,7 +29,7 @@ Than you can add the dependency to your dependencies:
 	<properties>
 			...
 		<!-- XML-EXTENSIONS version -->
-		<xml-extensions.version>4.20</xml-extensions.version>
+		<xml-extensions.version>4.21</xml-extensions.version>
 			...
 	</properties>
 			...
diff --git a/pom.xml b/pom.xml
index ad7b9a7..c5a84f5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -11,7 +11,7 @@
 	</parent>
 
 	<artifactId>xml-extensions</artifactId>
-	<version>4.21-SNAPSHOT</version>
+	<version>4.21</version>
 
 	<name>${project.artifactId}</name>