diff --git a/.github/workflows/nodejs.yml b/.github/workflows/nodejs.yml
new file mode 100644
index 00000000..13533417
--- /dev/null
+++ b/.github/workflows/nodejs.yml
@@ -0,0 +1,28 @@
+name: Node.js CI
+
+on:
+  push:
+    branches: ["ci"]
+  pull_request:
+    branches: ["main"]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [18.x, 20.x]
+        # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v4
+      with:
+        node-version: ${{ matrix.node-version }}
+    - run: npm ci
+    - run: npm test
+    - run: npm run lint
+    - run: npm run check-types
diff --git a/annotations/annotated-instance.js b/annotations/annotated-instance.js
index 62cba009..1963a484 100644
--- a/annotations/annotated-instance.js
+++ b/annotations/annotated-instance.js
@@ -5,8 +5,8 @@ import { getKeywordId } from "../lib/keywords.js";
 
 const defaultDialectId = "https://json-schema.org/validation";
 
-export const nil = { ...nilInstance, annotations: {} };
-export const cons = (instance, id = undefined) => ({
+export const nil = { ...nilInstance, annotations: {} }; // eslint-disable-line import/export
+export const cons = (instance, id = undefined) => ({ // eslint-disable-line import/export
   ...nil,
   id: id ? toAbsoluteIri(id) : "",
   instance,
@@ -47,4 +47,4 @@ export const annotatedWith = (instance, keyword, dialectId = defaultDialectId) =
   return instances;
 };
 
-export * from "../lib/instance.js";
+export * from "../lib/instance.js"; // eslint-disable-line import/export
diff --git a/lib/yaml-schema.spec.ts b/lib/yaml-schema.spec.ts
index 987ddbaf..3c237386 100644
--- a/lib/yaml-schema.spec.ts
+++ b/lib/yaml-schema.spec.ts
@@ -23,7 +23,7 @@ const testDomain = "http://test.jsc.hyperjump.io";
 addMediaTypePlugin("application/schema+yaml", {
   parse: async (response) => {
     const contentType = contentTypeParser.parse(response.headers.get("content-type") ?? "");
-    const contextDialectId = contentType.parameters.schema ?? contentType.parameters.profile;
+    const contextDialectId = contentType.parameters.schema ?? contentType.parameters.profile; // eslint-disable-line @typescript-eslint/no-unnecessary-condition
 
     const json = YAML.parse(await response.text()) as SchemaObject | boolean;
 
diff --git a/package.json b/package.json
index 52e9ace2..ebc21241 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,8 @@
   "scripts": {
     "clean": "xargs -a .gitignore rm -rf",
     "lint": "eslint lib stable draft-* openapi-* bundle annotations",
-    "test": "vitest --watch=false"
+    "test": "vitest --watch=false",
+    "check-types": "tsc --noEmit"
   },
   "repository": {
     "type": "git",
diff --git a/tsconfig.json b/tsconfig.json
index 15cf563a..dbd3d97e 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -5,6 +5,7 @@
     "moduleResolution": "Node16",
     "esModuleInterop": true,
     "strict": true,
-    "allowJs": true
+    "allowJs": true,
+    "skipLibCheck": true
   }
 }