diff --git a/Gemfile.lock b/Gemfile.lock
index 2ddd5a33d..56073cf7f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -204,7 +204,7 @@ GEM
       capybara
       minitest (~> 5.0)
       rake
-    mocha (2.4.2)
+    mocha (2.4.3)
       ruby2_keywords (>= 0.0.5)
     msgpack (1.7.2)
     mutex_m (0.2.0)