diff --git a/.rubocop.yml b/.rubocop.yml
index c0f965fe..36631e0a 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -20,7 +20,8 @@ Metrics/AbcSize:
 
 Metrics/BlockLength:
   Exclude:
-    - spec/**/*
+    - "spec/**/*"
+    - "**/*.gemspec"
 
 Metrics/BlockNesting:
   Max: 2