diff --git a/Gemfile.lock b/Gemfile.lock
index 83be720..0cbc07a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -238,7 +238,7 @@ GEM
       rdoc (~> 3.4)
       thor (>= 0.14.6, < 2.0)
     raindrops (0.15.0)
-    rake (10.4.2)
+    rake (12.3.3)
     rb-fsevent (0.9.6)
     rb-inotify (0.9.5)
       ffi (>= 0.5.0)