diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4572c5f..afd76d5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -43,7 +43,8 @@ jobs:
       - run: poetry install --only=main,nuitka --sync --no-root --extras=non-termux --no-interaction
       - run: poetry run --no-interaction python -m nuitka --standalone --python-flag='-m' --assume-yes-for-downloads nitro_generator_checker
       - run: mv config.toml nitro_generator_checker.dist/
-      - uses: actions/attest-build-provenance@v1
+      - if: ${{ github.event_name != 'pull_request' }}
+        uses: actions/attest-build-provenance@v1
         with:
           subject-path: nitro_generator_checker.dist
       - uses: actions/upload-artifact@v4