diff --git a/hooks/ruby/delete-repository-event/Gemfile.lock b/hooks/ruby/delete-repository-event/Gemfile.lock
index 72e30864e..6696c28f3 100644
--- a/hooks/ruby/delete-repository-event/Gemfile.lock
+++ b/hooks/ruby/delete-repository-event/Gemfile.lock
@@ -26,7 +26,7 @@ GEM
     octokit (4.6.2)
       sawyer (~> 0.8.0, >= 0.5.3)
     public_suffix (4.0.6)
-    rack (2.2.6.4)
+    rack (2.2.8.1)
     rack-protection (2.2.3)
       rack
     ruby2_keywords (0.0.4)