Add xercesImpl.jar to core classpath as it's now required for JDOMUtil
diff --git a/update_dependencies.xml b/update_dependencies.xml
index f085613..7d7dd9d 100644
--- a/update_dependencies.xml
+++ b/update_dependencies.xml
@@ -667,6 +667,8 @@
                         <file file="@{idea.dir}/lib/asm-all.jar"/>
                         <file file="@{idea.dir}/lib/snappy-in-java-0.5.1.jar"/>
 
+                        <file file="@{idea.dir}/lib/xercesImpl.jar"/>
+
                         <!-- TODO temporary workaround since util-rt is not packaged into intellij-core.jar -->
                         <file file="@{idea.dir}/lib/util.jar"/>
                     </resources>