diff --git a/Gemfile.lock b/Gemfile.lock
index b8ad7e8..fdde334 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -50,7 +50,7 @@ GEM
     pry (0.11.3)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
-    rake (10.0.3)
+    rake (13.0.1)
     rdiscount (1.6.8)
     ronn (0.7.3)
       hpricot (>= 0.8.2)