diff --git a/Gemfile.lock b/Gemfile.lock
index 8e0011d..f57cc05 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -115,7 +115,7 @@ GEM
       activesupport (= 4.2.4)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (10.4.2)
+    rake (13.0.1)
     rdoc (3.12.2)
       json (~> 1.4)
     shoulda (3.5.0)