diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 17ff3d3..9bb4802 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -42,6 +42,17 @@ jobs:
     steps:
     - uses: actions/checkout@v2
 
+    - name: Install Python and pythonnet
+      uses: actions/setup-python@v2
+      with:
+        python-version: '3.9.10'
+
+    - name: Install dependencies
+      run: |
+          python -m pip install --upgrade pip
+          pip install invoke
+          pip install pythonnet
+
     - name: Download artifact
       uses: actions/download-artifact@v2
       with: