diff --git a/update_dependencies.xml b/update_dependencies.xml
index 23449e5019c..19ef2a16404 100644
--- a/update_dependencies.xml
+++ b/update_dependencies.xml
@@ -105,13 +105,13 @@
         <mkdir dir="dependencies/download"/>
 
         <!-- ProGuard -->
-        <get src="http://heanet.dl.sourceforge.net/project/proguard/proguard%20beta/4.8beta/proguard4.8beta1.zip"
-             dest="dependencies/download/proguard4.8beta1.zip" usetimestamp="true"/>
+        <get src="http://downloads.sourceforge.net/project/proguard/proguard/5.1/proguard5.1.zip"
+             dest="dependencies/download/proguard5.1.zip" usetimestamp="true"/>
 
         <delete file="dependencies/proguard.jar" failonerror="false"/>
-        <unzip src="dependencies/download/proguard4.8beta1.zip" dest="dependencies">
+        <unzip src="dependencies/download/proguard5.1.zip" dest="dependencies">
             <patternset>
-                <include name="proguard4.8beta1/lib/proguard.jar"/>
+                <include name="proguard5.1/lib/proguard.jar"/>
             </patternset>
             <mapper type="flatten"/>
         </unzip>