diff --git a/lib/java/ivy.xml b/lib/java/ivy.xml
index 9c15e51..902e50d 100644
--- a/lib/java/ivy.xml
+++ b/lib/java/ivy.xml
@@ -24,7 +24,7 @@
     <dependencies>
        <dependency org="org.slf4j" name="slf4j-api" rev="1.5.8" conf="* -> *,!sources,!javadoc"/>
        <dependency org="org.slf4j" name="slf4j-simple" rev="1.5.8" conf="* -> *,!sources,!javadoc"/>
-       <dependency org="commons-lang" name="commons-lang" rev="2.4" conf="* -> *,!sources,!javadoc"/>
+       <dependency org="commons-lang" name="commons-lang" rev="2.5" conf="* -> *,!sources,!javadoc"/>
        <dependency org="junit" name="junit" rev="4.4" conf="* -> *,!sources,!javadoc"/>
        <dependency org="javax.servlet" name="servlet-api" rev="2.5" conf="* -> *,!sources,!javadoc"/>
     </dependencies>