diff --git a/pom.xml b/pom.xml
index eee0677..333cf41 100644
--- a/pom.xml
+++ b/pom.xml
@@ -9,7 +9,7 @@
     <parent>
         <groupId>org.oxerr</groupId>
         <artifactId>oxerr-parent</artifactId>
-        <version>2.1.0</version>
+        <version>2.2.1</version>
     </parent>
     <groupId>us.codecraft</groupId>
     <version>1.0.0-SNAPSHOT</version>