diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 68f7939..587ee65 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -30,7 +30,7 @@ jobs:
         uses: actions/cache@v2
         with:
           path: .venv
-          key: venv-${{ hashFiles('poetry.lock') }}
+          key: venv-py3.10-${{ hashFiles('poetry.lock') }}
 
       - name: Install dependencies
         if: steps.cached-poetry-dependencies.outputs.cache-hit != 'true'
@@ -140,6 +140,8 @@ jobs:
 
       - name: Set up Python
         uses: actions/setup-python@v2
+        with:
+          python-version: "3.11"
 
       - name: Install Poetry
         uses: snok/install-poetry@v1
@@ -152,7 +154,7 @@ jobs:
         uses: actions/cache@v2
         with:
           path: .venv
-          key: venv-${{ hashFiles('poetry.lock') }}
+          key: venv-py3.11-${{ hashFiles('poetry.lock') }}
 
       - name: Install dependencies
         if: steps.cached-poetry-dependencies.outputs.cache-hit != 'true'