diff --git a/.copier-answers.yaml b/.copier-answers.yaml
index 07e15d4..218bcb4 100644
--- a/.copier-answers.yaml
+++ b/.copier-answers.yaml
@@ -1,5 +1,5 @@
 # Changes here will be overwritten by Copier
-_commit: ebb6e1c
+_commit: '4372075'
 _src_path: https://github.com/python-project-templates/base.git
 add_docs: true
 add_extension: python
diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 139dd54..b00cdec 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -15,7 +15,7 @@ on:
   workflow_dispatch:
 
 concurrency:
-  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
 
 permissions:
diff --git a/Makefile b/Makefile
index ca34c97..f784bd5 100644
--- a/Makefile
+++ b/Makefile
@@ -25,16 +25,16 @@ lint-py:  ## lint python with ruff
 	python -m ruff format --check hatch_multi
 
 lint-docs:  ## lint docs with mdformat and codespell
-	python -m mdformat --check README.md 
-	python -m codespell_lib README.md 
+	python -m mdformat --check README.md $(wildcard docs/src)
+	python -m codespell_lib README.md $(wildcard docs/src)
 
 fix-py:  ## autoformat python code with ruff
 	python -m ruff check --fix hatch_multi
 	python -m ruff format hatch_multi
 
 fix-docs:  ## autoformat docs with mdformat and codespell
-	python -m mdformat README.md 
-	python -m codespell_lib --write README.md 
+	python -m mdformat README.md $(wildcard docs/src)
+	python -m codespell_lib --write README.md $(wildcard docs/src)
 
 lint: lint-py lint-docs  ## run all linters
 lints: lint
@@ -52,7 +52,7 @@ check-dist:  ## check python sdist and wheel with check-dist
 check-types:  ## check python types with ty
 	ty check --python $$(which python)
 
-checks: check-dist
+checks: check-dist check-types
 
 # Alias
 check: checks
diff --git a/hatch_multi/structs.py b/hatch_multi/structs.py
index 054fa08..d88c3d3 100644
--- a/hatch_multi/structs.py
+++ b/hatch_multi/structs.py
@@ -10,5 +10,5 @@ class HatchMultiConfig(BaseModel, validate_assignment=True):
     primary: str | list[str] | None = Field(
         default=None,
         description="Optional dependency set/s to use as primary",
-        alias=AliasChoices("primary", "default"),
+        validation_alias=AliasChoices("primary", "default"),
     )
diff --git a/hatch_multi/tests/test_structs.py b/hatch_multi/tests/test_structs.py
index bb38115..c77357a 100644
--- a/hatch_multi/tests/test_structs.py
+++ b/hatch_multi/tests/test_structs.py
@@ -6,5 +6,5 @@ def test_config(self):
         config = HatchMultiConfig(name="test", primary="default")
         assert config.primary == "default"
 
-        config = HatchMultiConfig(name="test", default="default")
+        config = HatchMultiConfig.model_validate({"name": "test", "default": "default"})
         assert config.primary == "default"
diff --git a/pyproject.toml b/pyproject.toml
index 4559c4a..d4a66e8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -44,6 +44,7 @@ develop = [
     "codespell",
     "hatchling",
     "mdformat",
+    "mdformat-frontmatter",
     "mdformat-tables>=1",
     "pytest",
     "pytest-cov",
@@ -78,7 +79,7 @@ replace = 'version = "{new_version}"'
 
 [tool.coverage.run]
 omit = [
-    "hatch_multi/tests/integration/",
+    "hatch_multi/tests/integration/*",
 ]
 
 [tool.coverage.report]