diff --git a/.github/workflows/R-CMD-check.yaml b/.github/workflows/R-CMD-check.yaml
index b064d16..4d77966 100644
--- a/.github/workflows/R-CMD-check.yaml
+++ b/.github/workflows/R-CMD-check.yaml
@@ -35,7 +35,7 @@ jobs:
 
       - uses: actions/setup-python@v4
         with:
-          python-version: '3.x'
+          python-version: '3.11'
 
       - name: Install Python dependencies
         run: pip install scanpy