diff --git a/.github/workflows/ci_full.yml b/.github/workflows/ci_full.yml
index fe207b38fb..707d48fd08 100644
--- a/.github/workflows/ci_full.yml
+++ b/.github/workflows/ci_full.yml
@@ -14,6 +14,10 @@ jobs:
           ref: ${{ github.event.after }}  # for PR avoids checking out merge commit
           fetch-depth: 0  # include all history
 
+      - uses: actions/setup-python@v4
+        with:
+          python-version: "3.11"
+
       - name: install and run lint-po
         run: |
           pip3 install lint-po