diff --git a/examples/Makefile b/examples/Makefile
index 5238f938..0b0faee8 100644
--- a/examples/Makefile
+++ b/examples/Makefile
@@ -16,8 +16,10 @@ clean:
 	make -C cleanup clean
 	make -C logging clean
 
+install:
+	npm install
 
-test: test-function test-cb test-async-cb test-promise test-json test-class-simple \
+test: install test-function test-cb test-async-cb test-promise test-json test-class-simple \
 	test-class-wrapper test-class-async test-stream test-buffer test-array test-bigint test-logging\
 	test-cleanup
 
diff --git a/examples/class-async/test.js b/examples/class-async/test.js
index a50dad17..cb81632d 100644
--- a/examples/class-async/test.js
+++ b/examples/class-async/test.js
@@ -1,18 +1,20 @@
 const assert = require('assert');
+const SegfaultHandler = require('segfault-handler');
+SegfaultHandler.registerHandler('crash.log');
 
 let addon = require('./dist');
 
 let obj = new addon.MyObject(10);
 
 
-obj.plusTwo(10).then( (val) => {
-    console.log("plus two is ",val);
+obj.plusTwo(10).then((val) => {
+    console.log("plus two is ", val);
 });
 
-obj.multiply2(-1).then( (obj3) => {
-    console.log("multiply two ",obj3.value);
+obj.multiply2(-1).then((obj3) => {
+    console.log("multiply two ", obj3.value);
 });
 
 obj.sleep((msg) => {
-    assert.equal(msg,"hello world");;
+    assert.equal(msg, "hello world");;
 });
diff --git a/examples/package-lock.json b/examples/package-lock.json
new file mode 100644
index 00000000..c0b8b563
--- /dev/null
+++ b/examples/package-lock.json
@@ -0,0 +1,44 @@
+{
+  "name": "node-bindgen-examples",
+  "version": "1.0.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "node-bindgen-examples",
+      "version": "1.0.0",
+      "license": "ISC",
+      "dependencies": {
+        "segfault-handler": "^1.3.0"
+      }
+    },
+    "node_modules/bindings": {
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/bindings/-/bindings-1.5.0.tgz",
+      "integrity": "sha512-p2q/t/mhvuOj/UeLlV6566GD/guowlr0hHxClI0W9m7MWYkL1F0hLo+0Aexs9HSPCtR1SXQ0TD3MMKrXZajbiQ==",
+      "dependencies": {
+        "file-uri-to-path": "1.0.0"
+      }
+    },
+    "node_modules/file-uri-to-path": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/file-uri-to-path/-/file-uri-to-path-1.0.0.tgz",
+      "integrity": "sha512-0Zt+s3L7Vf1biwWZ29aARiVYLx7iMGnEUl9x33fbB/j3jR81u/O2LbqK+Bm1CDSNDKVtJ/YjwY7TUd5SkeLQLw=="
+    },
+    "node_modules/nan": {
+      "version": "2.18.0",
+      "resolved": "https://registry.npmjs.org/nan/-/nan-2.18.0.tgz",
+      "integrity": "sha512-W7tfG7vMOGtD30sHoZSSc/JVYiyDPEyQVso/Zz+/uQd0B0L46gtC+pHha5FFMRpil6fm/AoEcRWyOVi4+E/f8w=="
+    },
+    "node_modules/segfault-handler": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/segfault-handler/-/segfault-handler-1.3.0.tgz",
+      "integrity": "sha512-p7kVHo+4uoYkr0jmIiTBthwV5L2qmWtben/KDunDZ834mbos+tY+iO0//HpAJpOFSQZZ+wxKWuRo4DxV02B7Lg==",
+      "hasInstallScript": true,
+      "dependencies": {
+        "bindings": "^1.2.1",
+        "nan": "^2.14.0"
+      }
+    }
+  }
+}
diff --git a/examples/package.json b/examples/package.json
new file mode 100644
index 00000000..46c57f34
--- /dev/null
+++ b/examples/package.json
@@ -0,0 +1,14 @@
+{
+  "name": "node-bindgen-examples",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "segfault-handler": "^1.3.0"
+  }
+}