diff --git a/Gemfile.lock b/Gemfile.lock
index 67a75a1a5dc..a6f742bde2b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -227,7 +227,7 @@ GEM
       ffi (~> 1.9)
     minio_runner (0.1.2)
     minitest (5.23.0)
-    mocha (2.2.0)
+    mocha (2.3.0)
       ruby2_keywords (>= 0.0.5)
     msgpack (1.7.2)
     multi_json (1.15.0)