diff --git a/Gemfile.lock b/Gemfile.lock
index 0ccc385..afea42f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -335,7 +335,7 @@ GEM
     responders (3.1.1)
       actionpack (>= 5.2)
       railties (>= 5.2)
-    rexml (3.2.6)
+    rexml (3.3.9)
     rolify (6.0.1)
     rouge (4.2.0)
     rspec (3.12.0)