diff --git a/Gemfile.lock b/Gemfile.lock
index 22307ad..7c270fd 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -54,7 +54,7 @@ GEM
     rack (1.5.2)
     rack-test (0.6.2)
       rack (>= 1.0)
-    rake (10.1.0)
+    rake (12.3.3)
     rdoc (4.2.0)
       json (~> 1.4)
     rspec (2.14.1)