diff --git a/Gemfile.lock b/Gemfile.lock
index b8fda82..c856d9c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -126,7 +126,7 @@ GEM
       activesupport (= 4.2.10)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (12.1.0)
+    rake (13.0.1)
     rake-compiler (0.9.9)
       rake
     rdoc (4.2.2)