diff --git a/prolinestudio-R/pom.xml b/prolinestudio-R/pom.xml
index d4056005b..53182bb1b 100644
--- a/prolinestudio-R/pom.xml
+++ b/prolinestudio-R/pom.xml
@@ -135,7 +135,7 @@
         <dependency>
             <groupId>org.python</groupId>
             <artifactId>jython</artifactId>
-            <version>2.2</version>
+            <version>2.7.2</version>
         </dependency>
         
         <dependency>