diff --git a/.rubocop.yml b/.rubocop.yml
index 214673a5..8f5637e7 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -37,4 +37,5 @@ AllCops:
   TargetRubyVersion: 2.2.0
   Exclude:
     - 'gemfiles/**/*'
+    - 'vendor/**/*'
     - 'Appraisals'