diff --git a/lib/java/gradle.properties b/lib/java/gradle.properties
index a964675..0811659 100644
--- a/lib/java/gradle.properties
+++ b/lib/java/gradle.properties
@@ -31,3 +31,4 @@
 servlet.version=2.5
 junit.version=4.12
 mockito.version=1.9.5
+javax.annotation.version=1.3.2