diff --git a/.rubocop.yml b/.rubocop.yml
index 69516ff57d..3dd1b35e45 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -8,6 +8,7 @@ AllCops:
   # to ignore them, so only the ones explicitly set in this file are enabled.
   DisabledByDefault: true
   Exclude:
+    - '**/tmp/**/*'
     - '**/templates/**/*'
     - '**/vendor/**/*'
     - 'actionpack/lib/action_dispatch/journey/parser.rb'