diff --git a/Gemfile.lock b/Gemfile.lock
index 476a16a3..2c2f4881 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -266,7 +266,7 @@ GEM
     regexp_parser (2.9.2)
     reline (0.5.10)
       io-console (~> 0.5)
-    rexml (3.3.8)
+    rexml (3.3.9)
     rouge (4.2.0)
     rspec-core (3.13.1)
       rspec-support (~> 3.13.0)