diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
new file mode 100644
index 0000000..668199c
--- /dev/null
+++ b/.github/workflows/test.yml
@@ -0,0 +1,41 @@
+name: Test
+
+on:
+  pull_request:
+    branches:
+      - main
+  push:
+    branches:
+      - main
+
+permissions:
+  contents: read
+
+jobs:
+  test:
+    name: Test
+    strategy:
+      matrix:
+        node-version:
+          - 20.19.x
+          - 22.17.x
+        os:
+          - macos-latest
+          - ubuntu-latest
+          - windows-latest
+    runs-on: "${{ matrix.os }}"
+    steps:
+      - run: git config --global core.autocrlf input
+      - name: Checkout
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+      - name: Setup Node.js
+        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
+        with:
+          node-version: "${{ matrix.node-version }}"
+          cache: "yarn"
+      - name: Install dependencies
+        run: yarn install --frozen-lockfile
+      - name: Build
+        run: yarn build
+      - name: Test
+        run: yarn lint && yarn test
diff --git a/.vscode/settings.json b/.vscode/settings.json
index 42a20bc..14ac857 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -5,6 +5,6 @@
   },
   "eslint.validate": ["typescript"],
   "[typescript]": {
-    "editor.defaultFormatter": "esbenp.prettier-vscode"
+    "editor.defaultFormatter": "dbaeumer.vscode-eslint"
   }
 }
diff --git a/package.json b/package.json
index 8417f07..3771938 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
   "scripts": {
     "build": "yarn run build:code && yarn run build:schema",
     "build:code": "tsc",
-    "build:schema": "node --experimental-strip-types ./scripts/build-dxt-schema.js",
+    "build:schema": "node ./scripts/build-dxt-schema.js",
     "dev": "tsc --watch",
     "test": "jest",
     "test:watch": "jest --watch",
diff --git a/scripts/build-dxt-schema.js b/scripts/build-dxt-schema.js
index fd6604d..9c4efe7 100644
--- a/scripts/build-dxt-schema.js
+++ b/scripts/build-dxt-schema.js
@@ -1,4 +1,4 @@
-import { DxtManifestSchema, DxtSignatureInfoSchema } from "../src/schemas.ts";
+import { DxtManifestSchema, DxtSignatureInfoSchema } from "../dist/schemas.js";
 import * as z from "zod/v4";
 import fs from "node:fs/promises";
 import path from "node:path";
diff --git a/test/dxtignore.test.ts b/test/dxtignore.test.ts
index 6e33a50..c75be76 100644
--- a/test/dxtignore.test.ts
+++ b/test/dxtignore.test.ts
@@ -73,15 +73,10 @@ temp/`;
     });
 
     it("should return empty array if file cannot be read", () => {
-      const content = "*.log";
-      fs.writeFileSync(dxtIgnorePath, content);
-      fs.chmodSync(dxtIgnorePath, 0); // Make file unreadable
+      fs.mkdirSync(dxtIgnorePath); // Make a dir so readFile fails
 
       const patterns = readDxtIgnorePatterns(tempDir);
       expect(patterns).toEqual([]);
-
-      // Restore permissions for cleanup
-      fs.chmodSync(dxtIgnorePath, 0o644);
     });
   });
 
diff --git a/yarn.lock b/yarn.lock
index c13b924..fa4ff4c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2359,7 +2359,7 @@ ignore@^5.2.0:
 
 ignore@^7.0.5:
   version "7.0.5"
-  resolved "https://artifactory.infra.ant.dev:443/artifactory/api/npm/npm-all/ignore/-/ignore-7.0.5.tgz#4cb5f6cd7d4c7ab0365738c7aea888baa6d7efd9"
+  resolved "https://registry.yarnpkg.com/ignore/-/ignore-7.0.5.tgz#4cb5f6cd7d4c7ab0365738c7aea888baa6d7efd9"
   integrity sha512-Hs59xBNfUIunMFgWAbGX5cq6893IbWg4KnrjbYwX3tx0ztorVgTDA6B2sxf8ejHJ4wz8BqGUMYlnzNBer5NvGg==
 
 import-fresh@^3.2.1: