diff --git a/Gemfile.lock b/Gemfile.lock
index 2ef78da507..f17c221b5b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -566,7 +566,7 @@ GEM
     responders (3.0.1)
       actionpack (>= 5.0)
       railties (>= 5.0)
-    rexml (3.3.7)
+    rexml (3.3.9)
     rotp (6.2.0)
     rpam2 (4.0.2)
     rqrcode (2.1.2)