diff --git a/Gemfile.lock b/Gemfile.lock
index 44b9846..eb1cff2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,7 +2,7 @@ GEM
   remote: https://rubygems.org/
   specs:
     minitest (3.3.0)
-    rake (0.9.2.2)
+    rake (12.3.3)
 
 PLATFORMS
   ruby