diff --git a/Gemfile.lock b/Gemfile.lock
index 9dff0596..69be4a8e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -269,7 +269,7 @@ GEM
     mini_mime (1.1.5)
     mini_portile2 (2.8.7)
     minitest (5.24.1)
-    mocha (2.4.3)
+    mocha (2.4.5)
       ruby2_keywords (>= 0.0.5)
     mongo (2.20.0)
       bson (>= 4.14.1, < 6.0.0)