diff --git a/Gemfile.lock b/Gemfile.lock
index 509e9d5b..48757ea3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -59,7 +59,7 @@ GEM
     memory_profiler (1.0.2)
     method_source (1.0.0)
     minitest (5.25.1)
-    mocha (2.4.5)
+    mocha (2.5.0)
       ruby2_keywords (>= 0.0.5)
     mysql2 (0.5.6)
     parallel (1.26.3)