diff --git a/Gemfile.lock b/Gemfile.lock
index c16e0c0..ff1a479 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,7 +2,7 @@ GEM
   remote: https://rubygems.org/
   specs:
     diff-lcs (1.2.5)
-    rake (10.4.2)
+    rake (12.3.3)
     rspec (3.3.0)
       rspec-core (~> 3.3.0)
       rspec-expectations (~> 3.3.0)