diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 06ac8ad..3cf4491 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -61,7 +61,7 @@ jobs:
           username: ${{ github.actor }}
           password: ${{ secrets.ACCESS_TOKEN }}
           registry: ghcr.io
-        if: ${{ github.actor != 'dependabot[bot]' }}
+        if: ${{ github.actor != 'dependabot[bot]' && github.event.pull_request.head.repo.fork == false }}
 
       - name: Resolve build_ruby version
         uses: ruby/setup-ruby@a2bbe5b1b236842c1cb7dd11e8e3b51e0a616acc # v1.202.0