diff --git a/Gemfile.lock b/Gemfile.lock
index d684cf716e..4064c5b540 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -36,7 +36,7 @@ GEM
       rack (>= 1.0)
     rainbow (2.2.2)
       rake
-    rake (12.0.0)
+    rake (12.3.1)
     rspec (3.5.0)
       rspec-core (~> 3.5.0)
       rspec-expectations (~> 3.5.0)