diff --git a/Gemfile.lock b/Gemfile.lock
index 4832db6..db5233f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -84,7 +84,7 @@ GEM
       rainbow (>= 2.0, < 4.0)
       rexml (~> 3.1)
     regexp_parser (2.9.2)
-    rexml (3.3.4)
+    rexml (3.3.6)
       strscan
     rspec (3.13.0)
       rspec-core (~> 3.13.0)