diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index 2b6734f55..f56115370
--- a/pom.xml
+++ b/pom.xml
@@ -37,7 +37,7 @@
 
     <properties>
         <org.scala.version>2.10.0</org.scala.version>
-        <org.groovy.version>1.8.6</org.groovy.version>
+        <org.groovy.version>2.4.21</org.groovy.version>
 
         <org.slf4j.version>1.6.1</org.slf4j.version>
         <ch.qos.logback.version>0.9.27</ch.qos.logback.version>