diff --git a/Gemfile.lock b/Gemfile.lock
index 8af5ca3..ab92213 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -45,7 +45,7 @@ GEM
     rainbow (3.1.1)
     rake (13.2.1)
     regexp_parser (2.9.3)
-    rexml (3.3.9)
+    rexml (3.4.0)
     rmagick (6.0.1)
       observer (~> 0.1)
       pkg-config (~> 1.4)