diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index 81f6488..d2aa00a 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -22,6 +22,6 @@ jobs:
     - name: Install uv
       run: pip install uv
     - name: Install dependencies
-      run: uv sync
+      run: uv sync --extra dev
     - name: Run tests
       run: uv run pytest tests