diff --git a/Gemfile.lock b/Gemfile.lock
index e6b645675c6..393ebdd6fe4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -400,7 +400,7 @@ GEM
     minitest-stub-const (0.6)
     mlanett-redis-lock (0.2.7)
       redis
-    mocha (1.15.0)
+    mocha (2.0.0.alpha.1)
     msgpack (1.5.6)
     multi_json (1.15.0)
     multi_test (1.1.0)