diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index b7fcda2..4375862 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -1,12 +1,9 @@
 ---
 name: Build
-
 on:  # yamllint disable-line rule:truthy
   push:
-    branches:
-      - main
+    branches: [main]
   workflow_dispatch:
-
 jobs:
   PyPI:
     name: Build and publish Python distributions to TestPyPI
diff --git a/.github/workflows/install.yml b/.github/workflows/install.yml
index 9414970..37c797d 100644
--- a/.github/workflows/install.yml
+++ b/.github/workflows/install.yml
@@ -4,7 +4,6 @@ on:  # yamllint disable-line rule:truthy
   schedule:
     - cron: 21 08 * * *
   workflow_dispatch:
-
 jobs:
   Install:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index b752b58..c49257b 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -1,13 +1,11 @@
 ---
 name: Tests
-
 on:  # yamllint disable-line rule:truthy
   push:
     branches: [main]
   pull_request:
     types: [opened, synchronize]
   workflow_dispatch:
-
 jobs:
   Tests:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/update.yml b/.github/workflows/update.yml
index b652e58..df1b6b4 100644
--- a/.github/workflows/update.yml
+++ b/.github/workflows/update.yml
@@ -4,7 +4,6 @@ on:  # yamllint disable-line rule:truthy
   schedule:
     - cron: 11 7 * * *
   workflow_dispatch:
-
 jobs:
   Update:
     runs-on: ubuntu-latest
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index c6590ec..7279f96 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -19,8 +19,7 @@ repos:
       - name: Run mypy static analysis tool
         id: mypy
         files: src
-        additional_dependencies:
-          - pydantic
+        additional_dependencies: [pydantic]
         args:
           - --no-warn-unused-ignores
           - --ignore-missing-imports
diff --git a/Makefile b/Makefile
index 4443f96..139aa2c 100644
--- a/Makefile
+++ b/Makefile
@@ -58,6 +58,7 @@ lint:
 	pdm run flakeheaven lint src/ tests/
 	$(isort) --check-only --df
 	$(black) --check --diff
+	yamllint .
 
 	@echo ""
 
diff --git a/mkdocs.yml b/mkdocs.yml
index 95dfe0e..4ac27d0 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -7,7 +7,6 @@ nav:
   - Editor Integration: editor_integration.md
   - Reference: reference.md
   - Contributing: contributing.md
-
 plugins:
   - search
   - mkdocstrings:
@@ -24,7 +23,6 @@ plugins:
   - minify:
       minify_html: true
   - section-index
-
 markdown_extensions:
   - abbr
   - def_list
@@ -58,7 +56,6 @@ markdown_extensions:
   - pymdownx.tasklist:
       custom_checkbox: true
   - pymdownx.tilde
-
 theme:
   name: material
   custom_dir: docs/theme
@@ -68,12 +65,9 @@ theme:
     - navigation.footer
     - navigation.top
     - content.code.annotate
-
   palette:
     primary: blue grey
     accent: light blue
-
 extra_css: [stylesheets/extra.css, stylesheets/links.css]
-
 repo_name: lyz-code/yamlfix
 repo_url: https://github.com/lyz-code/yamlfix