diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..1ce3feb
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,24 @@
+---
+name: CI
+# yamllint disable-line rule:truthy
+on:
+  - pull_request
+
+jobs:
+  lint:
+    name: Lint
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4.1.1
+
+      - name: Install Task
+        uses: arduino/setup-task@v2.0.0
+        with:
+          version: 3.x
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Run lint task
+        run: task lint
diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index 3eb077b..6ca492d 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -1,5 +1,6 @@
 ---
 name: PR
+# yamllint disable-line rule:truthy
 on:
   - pull_request
 
diff --git a/Taskfile.yml b/Taskfile.yml
index 17c8722..66ad1bf 100644
--- a/Taskfile.yml
+++ b/Taskfile.yml
@@ -18,6 +18,7 @@ tasks:
     cmds:
       - curl -sS https://starship.rs/install.sh | sh
 
+  # yamllint disable-line rule:key-duplicates
   install-starship:
     desc: Install starship
     platforms: [darwin]
@@ -31,6 +32,7 @@ tasks:
     status:
       - '[ -d ~/.oh-my-zsh ]'
     cmds:
+      # yamllint disable-line rule:line-length
       - sh -c "$(curl -fsSL https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh)"
 
   link-file:
@@ -133,3 +135,13 @@ tasks:
       - task: clean-alacritty
       - task: clean-helix
       - task: clean-neovim
+
+  lint-yaml:
+    desc: Lint YAML files using yamllint
+    aliases:
+      - lint
+    preconditions:
+      - sh: yamllint --version
+        msg: yamllint is not installed
+    cmds:
+      - yamllint .
diff --git a/alacritty/alacritty.yml b/alacritty/alacritty.yml
index b85212d..1c2275e 100644
--- a/alacritty/alacritty.yml
+++ b/alacritty/alacritty.yml
@@ -1,7 +1,8 @@
+---
 font:
   normal:
     family: Fira Code
   size: 12.0
 
 import:
-  -  ~/.config/alacritty/rose-pine.yml
+  - ~/.config/alacritty/rose-pine.yml
diff --git a/alacritty/rose-pine-dawn.yml b/alacritty/rose-pine-dawn.yml
index 56cb0fb..d31bbd5 100644
--- a/alacritty/rose-pine-dawn.yml
+++ b/alacritty/rose-pine-dawn.yml
@@ -1,3 +1,4 @@
+---
 colors:
   primary:
     background: "0xfaf4ed"
diff --git a/alacritty/rose-pine-moon.yml b/alacritty/rose-pine-moon.yml
index 517584d..d791206 100644
--- a/alacritty/rose-pine-moon.yml
+++ b/alacritty/rose-pine-moon.yml
@@ -1,3 +1,4 @@
+---
 colors:
   primary:
     background: "0x232136"
diff --git a/alacritty/rose-pine.yml b/alacritty/rose-pine.yml
index ed70851..4c74afc 100644
--- a/alacritty/rose-pine.yml
+++ b/alacritty/rose-pine.yml
@@ -1,3 +1,4 @@
+---
 colors:
   primary:
     background: "0x191724"