diff --git a/.github/workflows/commit-checker.yml b/.github/workflows/commit-checker.yml
index 8808fa08770..b858dfa2c2d 100644
--- a/.github/workflows/commit-checker.yml
+++ b/.github/workflows/commit-checker.yml
@@ -41,6 +41,9 @@ jobs:
           ref: ${{ github.event.inputs.tool-ref }}
           lfs: false # not needed here
           path: icu
+      - uses: actions/setup-python@v5
+        with:
+          python-version: '3.12' 
       - name: Run Check and Publish
         run: |
           echo "::group::Setup Checker"