diff --git a/Gemfile.lock b/Gemfile.lock
index c33da71..03ec2e7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -29,7 +29,7 @@ GEM
     public_suffix (3.0.1)
     rainbow (2.2.2)
       rake
-    rake (12.3.0)
+    rake (12.3.1)
     rspec (3.7.0)
       rspec-core (~> 3.7.0)
       rspec-expectations (~> 3.7.0)