diff --git a/.snyk b/.snyk
new file mode 100644
index 0000000..5acf349
--- /dev/null
+++ b/.snyk
@@ -0,0 +1,12 @@
+# Snyk (https://snyk.io) policy file, patches or ignores known vulnerabilities.
+version: v1.12.0
+ignore: {}
+# patches apply the minimum changes required to fix a vulnerability
+patch:
+  'npm:minimatch:20160620':
+    - gulp > vinyl-fs > glob-stream > minimatch:
+        patched: '2018-10-24T09:47:37.551Z'
+    - gulp > vinyl-fs > glob-watcher > gaze > globule > minimatch:
+        patched: '2018-10-24T09:47:37.551Z'
+    - gulp > vinyl-fs > glob-watcher > gaze > globule > glob > minimatch:
+        patched: '2018-10-24T09:47:37.551Z'
diff --git a/package.json b/package.json
index 9095256..9469407 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,9 @@
   "main": "index.js",
   "homepage": "https://github.com/bcguan2008/gulp-negpack",
   "scripts": {
-    "test": "mocha tests"
+    "test": "mocha tests",
+    "snyk-protect": "snyk protect",
+    "prepare": "npm run snyk-protect"
   },
   "repository": {
     "type": "git",
@@ -22,11 +24,13 @@
   ],
   "license": "ISC",
   "dependencies": {
-    "gulp": "^3.9.0",
+    "gulp": "^4.0.0",
     "gulp-util": "^3.0.6",
     "object-assign": "^3.0.0",
     "should": "^7.1.0",
     "stream": "0.0.2",
-    "through2": "^2.0.0"
-  }
+    "through2": "^2.0.0",
+    "snyk": "^1.104.2"
+  },
+  "snyk": true
 }