diff --git a/Gemfile.lock b/Gemfile.lock
index 41b92db..9c617d5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -111,7 +111,7 @@ GEM
       method_source
       rake (>= 0.8.7)
       thor (>= 0.19.0, < 2.0)
-    rake (12.3.2)
+    rake (13.0.1)
     sassc (2.0.0)
       ffi (~> 1.9.6)
       rake