diff --git a/.github/workflows/R_CDM_check_hades.yaml b/.github/workflows/R_CDM_check_hades.yaml
index 9bdb50b..4bec0a2 100644
--- a/.github/workflows/R_CDM_check_hades.yaml
+++ b/.github/workflows/R_CDM_check_hades.yaml
@@ -56,6 +56,10 @@ jobs:
 
       - uses: r-lib/actions/setup-pandoc@v2
 
+      - uses: actions/setup-python@v5
+        with:
+          python-version: '3.11'
+
       - name: Install the latest version of uv
         uses: astral-sh/setup-uv@v4
         with: