diff --git a/Gemfile.lock b/Gemfile.lock
index 7be4e94..e0362f9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -50,7 +50,7 @@ GEM
       pry (~> 0.9)
       slop (~> 3.0)
     publisher (1.1.2)
-    rake (10.4.2)
+    rake (12.3.3)
     rb-fsevent (0.9.4)
     rb-inotify (0.9.5)
       ffi (>= 0.5.0)