diff --git a/Gemfile.lock b/Gemfile.lock
index 60b1697..e77038a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -257,7 +257,7 @@ GEM
     public_suffix (3.0.3)
     rack (2.0.6)
     rainbow (3.0.0)
-    rake (12.3.2)
+    rake (13.0.6)
     rb-fsevent (0.10.3)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)