diff --git a/.github/actions/install-env/action.yml b/.github/actions/install-env/action.yml
index ec5451b2..86337e68 100644
--- a/.github/actions/install-env/action.yml
+++ b/.github/actions/install-env/action.yml
@@ -9,7 +9,7 @@ runs:
       id: set-up-python
       uses: actions/setup-python@v4
       with:
-        python-version: "3.12"
+        python-version: "3.11"
 
     - name: Load cached Poetry installation
       uses: actions/cache@v3