diff --git a/source/Gemfile.lock b/source/Gemfile.lock
index 4107356..f75ea72 100644
--- a/source/Gemfile.lock
+++ b/source/Gemfile.lock
@@ -228,7 +228,7 @@ GEM
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
     public_suffix (3.1.1)
-    rack (1.6.11)
+    rack (1.6.13)
     rack-protection (1.5.5)
       rack
     rack-test (1.1.0)