diff --git a/ivy.xml b/ivy.xml
index ed8bae1..c6c5fd9 100644
--- a/ivy.xml
+++ b/ivy.xml
@@ -19,7 +19,7 @@
         <dependency org="commons-lang" name="commons-lang" rev="2.5"/>
         <dependency org="commons-httpclient" name="commons-httpclient" rev="3.1"/>
         <dependency org="commons-io" name="commons-io" rev="2.4"/>
-        <dependency org="commons-collections" name="commons-collections" rev="3.2.1"/>
+        <dependency org="commons-collections" name="commons-collections" rev="3.2.2"/>
         <dependency org="com.google.code.gson" name="gson" rev="2.2.4"/>
 		<dependency org="com.google.guava" name="guava" rev="15.0"/>
 	    <dependency org="com.google.appengine" name="appengine-api-1.0-sdk" rev="1.7.3"/>