diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 9a0b206..48dbcb2 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -21,7 +21,8 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install -e ".[dev]"
+        pip install ruff mypy
+        pip install -e .
 
     - name: Run ruff linter
       run: |