diff --git a/Gemfile.lock b/Gemfile.lock
index deb99ffc39..09a794fd6d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -222,7 +222,7 @@ GEM
     mini_mime (1.1.2)
     mini_portile2 (2.8.4)
     minitest (5.18.1)
-    mocha (2.0.4)
+    mocha (2.1.0)
       ruby2_keywords (>= 0.0.5)
     msgpack (1.6.0)
     multi_xml (0.6.0)