diff --git a/Gemfile.lock b/Gemfile.lock
index 4f56195..f63fb37 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -149,7 +149,7 @@ GEM
     pony (1.11)
       mail (>= 2.0)
     public_suffix (3.0.0)
-    rack (2.0.3)
+    rack (2.0.7)
     rack-cache (1.7.1)
       rack (>= 0.4)
     rack-livereload (0.3.16)