diff --git a/Gemfile.lock b/Gemfile.lock
index 8139742..a4a9a92 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -11,7 +11,7 @@ GEM
     mocha (1.2.1)
       metaclass (~> 0.0.1)
     rack (2.0.3)
-    rake (12.2.1)
+    rake (13.0.1)
 
 PLATFORMS
   ruby