diff --git a/tests.sh b/tests.sh
index 348a8493..c20b875d 100755
--- a/tests.sh
+++ b/tests.sh
@@ -329,7 +329,7 @@ build_ruby_all() {
   build_ruby22
   # TODO(teboring): Disable jruby test temperarily for it randomly fails.
   # https://grpc-testing.appspot.com/job/protobuf_pull_request/735/consoleFull.
-  build_jruby
+  # build_jruby
 }
 
 build_javascript() {