diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 3429552..9143c82 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -13,6 +13,9 @@ jobs:
     steps:
     - uses: actions/checkout@v2
 
+    - name: Call code validation workflow
+      uses: blockworks-foundation/mango-explorer/.github/workflows/validate.yml@main
+
     - name: Login to Docker Hub
       uses: docker/login-action@v1
       with:
@@ -25,4 +28,5 @@ jobs:
     - name: Build and publish to pypi
       uses: JRubics/poetry-publish@v1.8
       with:
+        python_version: "3.9"
         pypi_token: ${{ secrets.PYPI_TOKEN }}