diff --git a/Gemfile.lock b/Gemfile.lock
index 241a1cf..a7175a6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -56,7 +56,7 @@ GEM
     rack (1.6.11)
     rack-test (0.6.1)
       rack (>= 1.0)
-    rake (0.9.2.2)
+    rake (12.3.3)
     rdoc (3.12.1)
       json (~> 1.4)
     rspec (2.10.0)