diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 0aa5267..cb16d70 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -7,6 +7,7 @@ on:
 
 jobs:
   push:
+    if: ${{ github.server_url == 'https://github.com' }}
     runs-on: ubuntu-latest
     permissions:
       contents: write