diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index 633a2e8..c593bf4 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -22,30 +22,36 @@ jobs:
     steps:
     - uses: actions/checkout@v3
 
-    - name: Install Poetry
-      uses: snok/install-poetry@v1
-
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v3
       with:
         python-version: ${{ matrix.python-version }}
 
-    - name: Activate venv
-      run: |
-        source $VENV
+    - name: cache poetry install
+      uses: actions/cache@v2
+      with:
+        path: ~/.local
+        key: poetry-1.7.1-0
 
-    - name: Install dependencies
-      run: |
-        poetry install
+    - name: Install Poetry
+      uses: snok/install-poetry@v1
+      with:
+          version: 1.7.1
+          virtualenvs-create: true
+          virtualenvs-in-project: true
+
+    - name: cache deps
+      id: cache-deps
+      uses: actions/cache@v2
+      with:
+        path: .venv
+        key: pydeps-${{ hashFiles('**/poetry.lock') }}
 
-    - name: mypy
-      run: |
-        mypy editor
+    - run: poetry install --no-interaction --no-root
+      if: steps.cache-deps.outputs.cache-hit != 'true'
 
-    - name: ruff
-      run: |
-        ruff check editor test_editor.py
+    - run: poetry install --no-interaction
 
-    - name: pytest
-      run: |
-        pytest
+    - run: poetry run mypy editor
+    - run: poetry run ruff check editor test_editor.py
+    - run: poetry run pytest