diff --git a/.github/workflows/pre-commit.yaml b/.github/workflows/pre-commit.yaml
index 6bc5fcf3..eff10995 100644
--- a/.github/workflows/pre-commit.yaml
+++ b/.github/workflows/pre-commit.yaml
@@ -26,4 +26,4 @@ jobs:
         with:
           path: ~/.cache/pre-commit
           key: pre-commit|${{ hashFiles('pyproject.toml', '.pre-commit-config.yaml') }}
-      - run: uv run --locked --group pre-commit pre-commit run --show-diff-on-failure --color=always --all-files
+      - run: uv run --locked --no-default-groups --group pre-commit pre-commit run --show-diff-on-failure --color=always --all-files
diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index 9b509ca4..4f066604 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -40,7 +40,7 @@ jobs:
       - uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
         with:
           python-version: ${{ matrix.python }}
-      - run: uv run --locked tox run
+      - run: uv run --locked --no-default-groups --group dev tox run
         env:
           TOX_ENV: ${{ matrix.tox || format('py{0}', matrix.python) }}
   typing:
@@ -61,4 +61,4 @@ jobs:
         with:
           path: ./.mypy_cache
           key: mypy|${{ hashFiles('pyproject.toml') }}
-      - run: uv run --locked tox run -e typing
+      - run: uv run --locked --no-default-groups --group dev tox run -e typing