diff --git a/Gemfile.lock b/Gemfile.lock
index b5203468ffe..db6263f6cf4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -187,7 +187,7 @@ GEM
     mini_mime (1.1.2)
     mini_portile2 (2.8.0)
     minitest (5.16.3)
-    mocha (1.15.0)
+    mocha (2.0.0)
     msgpack (1.6.0)
     multi_xml (0.6.0)
     multipart-post (2.2.3)