diff --git a/Gemfile.lock b/Gemfile.lock
index b15e2c8..dc13811 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -33,7 +33,7 @@ GEM
     rbtree (0.4.5)
     redcarpet (3.5.1)
     regexp_parser (2.9.0)
-    rexml (3.3.2)
+    rexml (3.3.6)
       strscan
     rspec (3.11.0)
       rspec-core (~> 3.11.0)