diff --git a/appengine/websockets/.snyk b/appengine/websockets/.snyk
new file mode 100644
index 0000000000..52c238a9a6
--- /dev/null
+++ b/appengine/websockets/.snyk
@@ -0,0 +1,12 @@
+# Snyk (https://snyk.io) policy file, patches or ignores known vulnerabilities.
+version: v1.14.1
+ignore: {}
+# patches apply the minimum changes required to fix a vulnerability
+patch:
+  SNYK-JS-LODASH-567746:
+    - pug > pug-code-gen > constantinople > babel-types > lodash:
+        patched: '2020-05-01T03:26:37.484Z'
+    - pug > pug-filters > constantinople > babel-types > lodash:
+        patched: '2020-05-01T03:26:37.484Z'
+    - pug > pug-code-gen > pug-attrs > constantinople > babel-types > lodash:
+        patched: '2020-05-01T03:26:37.484Z'
diff --git a/appengine/websockets/package.json b/appengine/websockets/package.json
index e1831711d0..a17a88e71b 100644
--- a/appengine/websockets/package.json
+++ b/appengine/websockets/package.json
@@ -14,12 +14,15 @@
     "lint": "samples lint",
     "pretest": "npm run lint",
     "test": "node app.js & ava -T 30s test/*.js; killall node",
-    "e2e-test": "samples test deploy"
+    "e2e-test": "samples test deploy",
+    "snyk-protect": "snyk protect",
+    "prepublish": "npm run snyk-protect"
   },
   "dependencies": {
     "express": "4.15.4",
     "pug": "2.0.3",
-    "socket.io": "2.2.0"
+    "socket.io": "2.2.0",
+    "snyk": "^1.316.1"
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "3.1.0",
@@ -33,5 +36,6 @@
     },
     "requiresKeyFile": true,
     "requiresProjectId": true
-  }
+  },
+  "snyk": true
 }