diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..b59c959
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,31 @@
+{
+  "name": "scrypt-for-humans",
+  "version": "2.0.5",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
+    "bluebird": {
+      "version": "3.5.2",
+      "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.5.2.tgz",
+      "integrity": "sha512-dhHTWMI7kMx5whMQntl7Vr9C6BvV10lFXDAasnqnrMYhXVCzzk6IO9Fo2L75jXHT07WrOngL1WDXOp+yYS91Yg=="
+    },
+    "errors": {
+      "version": "0.3.0",
+      "resolved": "https://registry.npmjs.org/errors/-/errors-0.3.0.tgz",
+      "integrity": "sha1-Vy7Q+tgqsmugTnl4KPcQPdggcy8="
+    },
+    "nan": {
+      "version": "2.11.1",
+      "resolved": "https://registry.npmjs.org/nan/-/nan-2.11.1.tgz",
+      "integrity": "sha512-iji6k87OSXa0CcrLl9z+ZiYSuR2o+c0bGuNmXdrhTQTakxytAFsC56SArGYoiHlJlFoHSnvmhpceZJaXkVuOtA=="
+    },
+    "scrypt": {
+      "version": "6.0.3",
+      "resolved": "https://registry.npmjs.org/scrypt/-/scrypt-6.0.3.tgz",
+      "integrity": "sha1-BOAUpWgrU/pQwtXM4WfXGcBthw0=",
+      "requires": {
+        "nan": "2.11.1"
+      }
+    }
+  }
+}
diff --git a/package.json b/package.json
index 3a20b56..d49106a 100644
--- a/package.json
+++ b/package.json
@@ -17,20 +17,20 @@
   "author": "Sven Slootweg",
   "license": "WTFPL",
   "devDependencies": {
-    "gulp": "~3.8.0",
-    "gulp-cached": "~0.0.3",
-    "gulp-coffee": "~2.0.1",
-    "gulp-concat": "~2.2.0",
-    "gulp-livereload": "~2.1.0",
-    "gulp-nodemon": "~1.0.4",
-    "gulp-plumber": "~0.6.3",
-    "gulp-remember": "~0.2.0",
-    "gulp-rename": "~1.2.0",
-    "gulp-util": "~2.2.17"
+    "gulp": "~3.9.1",
+    "gulp-cached": "~1.1.1",
+    "gulp-coffee": "~3.0.2",
+    "gulp-concat": "~2.6.1",
+    "gulp-livereload": "~4.0.0",
+    "gulp-nodemon": "~2.2.1",
+    "gulp-plumber": "~1.2.0",
+    "gulp-remember": "~1.0.1",
+    "gulp-rename": "~1.4.0",
+    "gulp-util": "~3.0.8"
   },
   "dependencies": {
-    "bluebird": "^2.6.4",
-    "errors": "^0.2.0",
-    "scrypt": "^6.0.1"
+    "bluebird": "^3.5.2",
+    "errors": "^0.3.0",
+    "scrypt": "^6.0.3"
   }
 }