diff --git a/.github/workflows/lint_type_check.yml b/.github/workflows/lint_type_check.yml
index 924eaf1c..e064de9e 100644
--- a/.github/workflows/lint_type_check.yml
+++ b/.github/workflows/lint_type_check.yml
@@ -6,6 +6,10 @@ on:
   pull_request:
   workflow_dispatch:
 
+env:
+  POETRY_VERSION: 1.4.2
+  PYTHON_VERSION: "3.11"
+
 jobs:
   lint-and-type-check:
     name: Lint and type-check
@@ -16,20 +20,22 @@ jobs:
         uses: actions/checkout@v3
 
       - name: Load cached .local
+        id: cache-poetry
         uses: actions/cache@v3
         with:
           path: /home/runner/.local
-          key: dotlocal-3.8-${{ hashFiles('.github/workflows') }}
+          key: dotlocal-${{ env.POETRY_VERSION }}
 
       - name: Install poetry
+        if: steps.cache-poetry.outputs.cache-hit != 'true'
         run: |
-          curl -sSL https://install.python-poetry.org/ | python -
+          curl -sSL https://install.python-poetry.org/ | python - --version ${{ env.POETRY_VERSION }}
           echo "$HOME/.local/bin" >> $GITHUB_PATH
 
       - name: Install Python + Retrieve Poetry dependencies from cache
         uses: actions/setup-python@v4
         with:
-          python-version: "3.8"
+          python-version: ${{ env.PYTHON_VERSION }}
           cache: "poetry"
 
       - name: Display Python version
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 6c7e2e3b..53d5e06d 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -10,6 +10,10 @@ on:
       - ".vscode/**"
   workflow_dispatch:
 
+env:
+  POETRY_VERSION: 1.4.2
+  PYTHON_VERSION: "3.11"
+
 jobs:
   test:
     name: Test
@@ -42,7 +46,7 @@ jobs:
       - name: Install Python + Retrieve Poetry dependencies from cache
         uses: actions/setup-python@v4
         with:
-          python-version: "${{ matrix.python-version }}"
+          python-version: ${{ env.PYTHON_VERSION }}
           cache: "poetry"
 
       - name: Display Python version