diff --git a/.github/workflows/build-pkg.yml b/.github/workflows/build-pkg.yml
index ccc5ca24f1..7bc3bb40be 100644
--- a/.github/workflows/build-pkg.yml
+++ b/.github/workflows/build-pkg.yml
@@ -10,6 +10,7 @@ on:
 
 jobs:
   build:
+    if: github.repository_owner == 'Homebrew'
     runs-on: macos-13
     env:
       IDENTIFIER: sh.brew.Homebrew