diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 79d7f5f..243ba4b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,3 +18,11 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - run: swift format lint -rsp .
+  yamllint:
+    runs-on: ubuntu-latest
+    container: alpine:3.21
+    steps:
+      - uses: actions/checkout@v4
+      - run: apk update && apk add yamllint
+      - run: yamllint --version
+      - run: yamllint --strict --config-file .yamllint.yml .
diff --git a/.yamllint.yml b/.yamllint.yml
new file mode 100644
index 0000000..74e1046
--- /dev/null
+++ b/.yamllint.yml
@@ -0,0 +1,7 @@
+extends: default
+
+rules:
+  line-length: false
+  document-start: false
+  truthy:
+    check-keys: false