diff --git a/pom.xml b/pom.xml
index 111c549f5..7f48c575f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -55,7 +55,7 @@
       <dependency>
         <groupId>org.jenkins-ci</groupId>
         <artifactId>version-number</artifactId>
-        <version>1.6</version>
+        <version>1.9</version>
       </dependency>
 
       <dependency>