diff --git a/github_hooks/Gemfile.lock b/github_hooks/Gemfile.lock
index 808dacd46..77a41ef36 100644
--- a/github_hooks/Gemfile.lock
+++ b/github_hooks/Gemfile.lock
@@ -312,7 +312,7 @@ GEM
     request_store (1.7.0)
       rack (>= 1.4)
     retryable (3.0.5)
-    rexml (3.4.1)
+    rexml (3.4.4)
     rspec (3.13.1)
       rspec-core (~> 3.13.0)
       rspec-expectations (~> 3.13.0)