diff --git a/Gemfile.lock b/Gemfile.lock
index ae6beeb..18ba3e5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -38,7 +38,7 @@ GEM
     method_source (1.1.0)
     mini_portile2 (2.8.7)
     minitest (5.24.1)
-    mocha (2.4.0)
+    mocha (2.4.1)
       ruby2_keywords (>= 0.0.5)
     mutex_m (0.2.0)
     rake (13.2.1)