diff --git a/Gemfile.lock b/Gemfile.lock
index 733826a4..92e77b7e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -227,7 +227,7 @@ GEM
     matrix (0.4.2)
     mini_mime (1.1.5)
     minitest (5.21.2)
-    mocha (2.1.0)
+    mocha (2.2.0)
       ruby2_keywords (>= 0.0.5)
     msgpack (1.7.2)
     net-http (0.4.1)