diff --git a/Gemfile.lock b/Gemfile.lock
index 2d4bf97..3049c85 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -271,7 +271,7 @@ GEM
       io-console (~> 0.5)
     request_store (1.7.0)
       rack (>= 1.4)
-    rexml (3.3.8)
+    rexml (3.3.9)
     rollbar (3.6.0)
     rspec-core (3.13.1)
       rspec-support (~> 3.13.0)