diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index 3445e5b..c5f60f6 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -17,24 +17,28 @@ jobs:
         with:
           python-version: '3.11'
 
+      - name: Install Poetry
+        uses: snok/install-poetry@v1
+        with:
+          virtualenvs-create: true
+          virtualenvs-in-project: true
+          installer-parallel: true
+
       - name: Install dependencies
         run: |
-          python -m pip install --upgrade pip
-          pip install -e ".[dev]"
+          poetry install --with dev
 
       - name: Run tests
         run: |
-          pytest tests/ -v
+          poetry run pytest tests/ -v
 
       - name: Run linting
         run: |
-          pip install ruff
-          ruff check .
+          poetry run ruff check .
 
       - name: Run type checking
         run: |
-          pip install mypy
-          mypy codechunk
+          poetry run mypy codechunk
 
   build:
     runs-on: ubuntu-latest
@@ -47,14 +51,17 @@ jobs:
         with:
           python-version: '3.11'
 
-      - name: Install build dependencies
-        run: |
-          pip install build
+      - name: Install Poetry
+        uses: snok/install-poetry@v1
+        with:
+          virtualenvs-create: true
+          virtualenvs-in-project: true
+          installer-parallel: true
 
       - name: Build package
         run: |
-          python -m build
+          poetry build
 
       - name: Verify build
         run: |
-          pip install dist/*.whl --dry-run
+          poetry run pip install dist/*.whl --dry-run