diff --git a/Gemfile.lock b/Gemfile.lock
index 4d50d80ca..cd480e881 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -411,7 +411,7 @@ GEM
     responders (3.1.1)
       actionpack (>= 5.2)
       railties (>= 5.2)
-    rexml (3.3.9)
+    rexml (3.4.4)
     roo (2.10.1)
       nokogiri (~> 1)
       rubyzip (>= 1.3.0, < 3.0.0)