diff --git a/Gemfile.lock b/Gemfile.lock
index 38850b7..1212c13 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -81,7 +81,7 @@ GEM
       rack
     rack-test (0.6.3)
       rack (>= 1.0)
-    rake (11.1.1)
+    rake (12.3.3)
     rb-fsevent (0.9.7)
     rb-inotify (0.9.7)
       ffi (>= 0.5.0)