diff --git a/pom.xml b/pom.xml
index 5547ae0..eceba68 100644
--- a/pom.xml
+++ b/pom.xml
@@ -29,7 +29,7 @@
         <dependency>
             <groupId>org.apache.maven</groupId>
             <artifactId>maven-artifact-manager</artifactId>
-            <version>2.0</version>
+            <version>2.2.1</version>
         </dependency>
         <dependency>
             <groupId>commons-codec</groupId>