diff --git a/Gemfile.lock b/Gemfile.lock
index 2570d92..772d54f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -10,7 +10,7 @@ GEM
       builder
       minitest (>= 5.0)
       ruby-progressbar
-    mocha (2.0.2)
+    mocha (2.2.0)
       ruby2_keywords (>= 0.0.5)
     parallel (1.22.1)
     parser (3.2.0.0)