Bump japicmp compare version.
diff --git a/pom.xml b/pom.xml
index 0f836f6..7894500 100644
--- a/pom.xml
+++ b/pom.xml
@@ -63,7 +63,7 @@
     <jersey.version>1.9</jersey.version>
     <!-- do not change jetty version as later versions have problems with DefaultServlet -->
     <jetty.version>8.1.10.v20130312</jetty.version>
-    <project.old.version>3.5.0</project.old.version>
+    <project.old.version>3.6.0</project.old.version>
     <license.skip>true</license.skip>
     <findbugs.xmlOutput>true</findbugs.xmlOutput>
     <findbugs.failOnError>false</findbugs.failOnError>