diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 5f8be4d..ac638fa 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -13,10 +13,17 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v3
+
+      - name: Install Node
+        uses: actions/setup-node@v3
+        with:
+          node-version: 16
+
       - name: Setup PNPM
         uses: pnpm/action-setup@v2
         with:
           version: 7
+
       - name: Install dependencies
         run: pnpm install
       - name: Run tests
diff --git a/.npmrc b/.npmrc
new file mode 100644
index 0000000..b6f27f1
--- /dev/null
+++ b/.npmrc
@@ -0,0 +1 @@
+engine-strict=true
diff --git a/package.json b/package.json
index 848735b..19074f0 100644
--- a/package.json
+++ b/package.json
@@ -15,6 +15,12 @@
   ],
   "author": "Niccolo Borgioli",
   "license": "MIT",
+  "engines": {
+    "node": ">=16",
+    "npm": "please-use-pnpm",
+    "yarn": "please-use-pnpm",
+    "pnpm": "7"
+  },
   "type": "module",
   "exports": {
     ".": {
@@ -23,6 +29,9 @@
       "types": "./dist/esm/index.d.ts"
     }
   },
+  "files": [
+    "dist"
+  ],
   "scripts": {
     "docs": "typedoc",
     "test:node": "mocha",