diff --git a/updater/Gemfile.lock b/updater/Gemfile.lock
index 14ca6961c66..696c7306c62 100644
--- a/updater/Gemfile.lock
+++ b/updater/Gemfile.lock
@@ -314,7 +314,7 @@ GEM
       http-cookie (>= 1.0.2, < 2.0)
       mime-types (>= 1.16, < 4.0)
       netrc (~> 0.8)
-    rexml (3.3.8)
+    rexml (3.3.9)
     rspec (3.13.0)
       rspec-core (~> 3.13.0)
       rspec-expectations (~> 3.13.0)