diff --git a/Gemfile.lock b/Gemfile.lock
index b7234f6..64e3c1a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -17,7 +17,7 @@ GEM
     rdoc (6.7.0)
       psych (>= 4.0.0)
     regexp_parser (2.9.2)
-    rexml (3.3.3)
+    rexml (3.3.6)
       strscan
     rubocop (0.93.1)
       parallel (~> 1.10)