diff --git a/cookbooks/sysctl/Gemfile.lock b/cookbooks/sysctl/Gemfile.lock
index df87735..d402922 100644
--- a/cookbooks/sysctl/Gemfile.lock
+++ b/cookbooks/sysctl/Gemfile.lock
@@ -158,7 +158,7 @@ GEM
       coderay (~> 1.0)
       method_source (~> 0.8)
       slop (~> 3.4)
-    rack (1.5.2)
+    rack (3.0.4.2)
     rainbow (2.0.0)
     rake (10.3.1)
     rb-fsevent (0.9.4)