diff --git a/nodejs/.snyk b/nodejs/.snyk
new file mode 100644
index 0000000..7138f4d
--- /dev/null
+++ b/nodejs/.snyk
@@ -0,0 +1,10 @@
+# Snyk (https://snyk.io) policy file, patches or ignores known vulnerabilities.
+version: v1.13.5
+ignore: {}
+# patches apply the minimum changes required to fix a vulnerability
+patch:
+  SNYK-JS-LODASH-450202:
+    - koalanlp > java > lodash:
+        patched: '2019-07-03T22:04:37.371Z'
+    - koalanlp > java > async > lodash:
+        patched: '2019-07-03T22:04:37.371Z'
diff --git a/nodejs/package.json b/nodejs/package.json
index 7430452..aec9e9c 100644
--- a/nodejs/package.json
+++ b/nodejs/package.json
@@ -2,6 +2,12 @@
   "name": "koalanlp-node-sample",
   "version": "2.0.0",
   "dependencies": {
-    "koalanlp": "2.0.0"
-  }
+    "koalanlp": "2.0.0",
+    "snyk": "^1.189.0"
+  },
+  "scripts": {
+    "snyk-protect": "snyk protect",
+    "prepublish": "npm run snyk-protect"
+  },
+  "snyk": true
 }