diff --git a/spec/dummy/Gemfile.lock b/spec/dummy/Gemfile.lock
index f29776d..6335727 100644
--- a/spec/dummy/Gemfile.lock
+++ b/spec/dummy/Gemfile.lock
@@ -108,7 +108,7 @@ GEM
       activesupport (= 4.2.0)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (10.4.2)
+    rake (13.0.1)
     rdoc (4.2.0)
       json (~> 1.4)
     sass (3.4.11)