diff --git a/Gemfile.lock b/Gemfile.lock
index fe201ed9..9d4cbaad 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -275,7 +275,7 @@ GEM
     responders (3.1.1)
       actionpack (>= 5.2)
       railties (>= 5.2)
-    rexml (3.3.8)
+    rexml (3.3.9)
     riddle (2.4.3)
     rouge (4.4.0)
     rspec-core (3.13.2)