diff --git a/Gemfile.lock b/Gemfile.lock
index accb8bb..fbe7559 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -54,7 +54,7 @@ GEM
     os (1.1.4)
     racc (1.8.1)
     rake (13.0.6)
-    rexml (3.3.4)
+    rexml (3.3.6)
       strscan
     ronn-ng (0.10.1)
       kramdown (~> 2, >= 2.1)