diff --git a/Gemfile.lock b/Gemfile.lock
index 4b38279..653702a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -38,7 +38,7 @@ GEM
     rainbow (3.0.0)
     rake (13.0.3)
     regexp_parser (2.0.3)
-    rexml (3.2.4)
+    rexml (3.2.5)
     rspec (3.10.0)
       rspec-core (~> 3.10.0)
       rspec-expectations (~> 3.10.0)
@@ -90,6 +90,7 @@ GEM
 
 PLATFORMS
   x86_64-darwin-20
+  x86_64-linux
 
 DEPENDENCIES
   armitage-rubocop (~> 1.7)