diff --git a/Gemfile.lock b/Gemfile.lock
index b3b7f53..2148c4b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -67,7 +67,7 @@ GEM
       posix-spawn (~> 0.3.6)
       yajl-ruby (~> 1.2.0)
     rack (1.6.0)
-    rake (10.4.2)
+    rake (12.3.3)
     rb-fsevent (0.9.4)
     rb-inotify (0.9.5)
       ffi (>= 0.5.0)