diff --git a/build.xml b/build.xml
index e3389aca78..c1f736dfcb 100644
--- a/build.xml
+++ b/build.xml
@@ -7,6 +7,7 @@
   <property name="target" value="1.6"/>
   <property name="source" value="1.6"/>
   <property name="lib" value="release/lib" />
+  <property name="groovy-version" value="2.1.6" />
 
   <path id="classpath">
       <fileset dir="${lib}">
@@ -17,7 +18,7 @@
   <!-- deps - Download dependencies -->
   <target name="deps" unless="skip.download">
       <echo message="downloading groovy to ${lib}"/>
-      <get src="http://repo1.maven.org/maven2/org/codehaus/groovy/groovy-all/2.1.6/groovy-all-2.1.6.jar" dest="${lib}" skipexisting="true" />
+      <get src="http://repo1.maven.org/maven2/org/codehaus/groovy/groovy-all/${groovy-version}/groovy-all-${groovy-version}.jar" dest="${lib}" skipexisting="true" />
   </target>
 
   <!-- init - Create temporary directory to build the program -->
@@ -51,7 +52,7 @@
       <manifest>
         <attribute name="Main-Class" value="magic.MagicMain" />
       	<attribute name="SplashScreen-Image" value="magic/data/textures/logo.jpg" />
-        <attribute name="Class-Path" value="lib/groovy-all-2.1.1.jar" />
+        <attribute name="Class-Path" value="lib/groovy-all-${groovy-version}.jar" />
       </manifest>
     </jar>
   </target>