diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index bc7f8e2..3f4842c 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -52,7 +52,7 @@ jobs:
       - name: Install dependencies
         run: |
           pip install uv
-          uv sync --group dev
+          uv sync --dev
       - name: force right version
         run: |
           .github/change_version.py --set '${{ inputs.version }}'
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 9013efa..6a9e880 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -27,7 +27,7 @@ jobs:
       - name: Install dependencies
         run: |
           pip install uv
-          uv sync --group dev
+          uv sync --dev
 
       - name: Lint check
         id: lint-check
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 37f6e14..f95aa15 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -3,7 +3,7 @@
 This project uses `uv`, so set up the virtualenv by running
 
 ```
-uv sync --group dev
+uv sync --dev
 ```
 
 Use `make test` to make sure all tests pass before pushing.
diff --git a/README.md b/README.md
index cf58a77..4291578 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 
 * `pytest` for tests: `make test`
 * `ruff` for linting/formatting: `make lint` (replaces both `black` and `isort`)
-* `uv` for dependency and virtualenv management (`uv sync --group dev`)
+* `uv` for dependency and virtualenv management (`uv sync --dev`)
 * `.github` with actions ready to be used
     * [test](.github/workflows/test.yml) runs lint checks and unit tests
     * [publish-dev](.github/workflows/publish-dev.yml) publishes feature branches (`dev`/`dev-*`) to: