diff --git a/build/conf/classVersions.txt b/build/conf/classVersions.txt
index ec0fc157ae0f..4b407312ab83 100644
--- a/build/conf/classVersions.txt
+++ b/build/conf/classVersions.txt
@@ -41,3 +41,12 @@
 1.5 => lib/annotations.jar
 1.8 => redist/annotations-java8.jar
 1.3 => plugins/junit/lib/junit-rt.jar
+
+1.6 => plugins/gradle/lib/gradle-tooling-extension-api.jar
+1.6 => plugins/gradle/lib/gradle-tooling-extension-impl.jar
+
+1.4 => plugins/xpath/lib/rt/xslt-rt.jar
+1.5 => plugins/xslt-debugger/lib/xslt-debugger-engine.jar
+1.5 => plugins/xslt-debugger/lib/rt/xslt-debugger-engine-impl.jar
+
+1.6 => plugins/android/lib/android-rt.jar