diff --git a/Gemfile.lock b/Gemfile.lock
index 66d3ad3..ccb908a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -56,6 +56,8 @@ GEM
     jwt (2.6.0)
     memoist (0.16.2)
     mini_mime (1.1.2)
+    mock_redis (0.36.0)
+      ruby2_keywords
     multi_json (1.15.0)
     mustermann (2.0.2)
       ruby2_keywords (~> 0.0.1)
@@ -199,6 +201,7 @@ PLATFORMS
   universal-java-11
 
 DEPENDENCIES
+  mock_redis (>= 0.17.0)
   rspec (>= 3.2)
   rubocop (~> 1.1.0)
   simplecov (>= 0.11.2)