diff --git a/Gemfile.lock b/Gemfile.lock
index 5c0a20197..6744608cb 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -426,7 +426,7 @@ GEM
       actionpack (>= 5.2)
       railties (>= 5.2)
     retryable (3.0.5)
-    rexml (3.3.7)
+    rexml (3.3.9)
     rinku (2.0.6)
     rolify (6.0.1)
     rspec (3.13.0)