diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index de7cec3..b42984c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -47,5 +47,8 @@ jobs:
         with:
           node-version: ${{ matrix.node-version }}
           cache: "npm"
-      - run: npm --prefix integration/${{ matrix.suite }} ci --omit=dev
-      - run: npm --prefix integration/${{ matrix.suite }} test
+      # Build a production tarball and run the integration tests against it.
+      - run: |
+          PKG_TARBALL=$(npm --loglevel error pack)
+          npm --prefix integration/${{ matrix.suite }} install "file:/./$PKG_TARBALL"
+          npm --prefix integration/${{ matrix.suite }} test
diff --git a/package.json b/package.json
index ca06b8b..d0d77fb 100644
--- a/package.json
+++ b/package.json
@@ -8,6 +8,16 @@
   "license": "Apache-2.0",
   "main": "index.js",
   "type": "commonjs",
+  "types": "index.d.ts",
+  "files": [
+    "CONTRIBUTING.md",
+    "LICENSE",
+    "README.md",
+    "index.d.ts",
+    "index.js",
+    "lib/**/*.js",
+    "package.json"
+  ],
   "engines": {
     "node": ">=18.0.0",
     "npm": ">=7.19.0",