diff --git a/Gemfile.lock b/Gemfile.lock
index bff6ba929..61ff865d8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -234,7 +234,7 @@ GEM
       builder
       minitest (>= 5.0)
       ruby-progressbar
-    mocha (2.4.1)
+    mocha (2.4.2)
       ruby2_keywords (>= 0.0.5)
     msgpack (1.7.2)
     mutex_m (0.2.0)