diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index a82fe82..e6b51e2 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -14,6 +14,9 @@ jobs:
       - uses: actions/setup-node@v4
         with:
           node-version: 22
+      - uses: actions/setup-python@v5
+        with:
+          python-version: '3.11'
       - run: npm ci
       - run: npm test
       - run: npm run build:cos