diff --git a/.snyk b/.snyk
new file mode 100644
index 0000000..5f548b8
--- /dev/null
+++ b/.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:
+    - lodash:
+        patched: '2020-05-01T01:27:10.373Z'
+    - cheerio > lodash:
+        patched: '2020-05-01T01:27:10.373Z'
+    - send-webmention > get-webmention-url > cheerio > lodash:
+        patched: '2020-05-01T01:27:10.373Z'
diff --git a/package.json b/package.json
index 28358c7..6dad118 100644
--- a/package.json
+++ b/package.json
@@ -8,10 +8,11 @@
   },
   "scripts": {
     "build": "tsc",
-    "prepare": "npm run build",
+    "prepare": "npm run snyk-protect && npm run build",
     "test": "npm run build && nyc -r lcov -r text perjury test/*-test.js",
     "test:install": "npm install -g . && type lazymention",
-    "watch": "tsc -w"
+    "watch": "tsc -w",
+    "snyk-protect": "snyk protect"
   },
   "repository": {
     "type": "git",
@@ -45,7 +46,8 @@
     "url-toolkit": "^2.1.2",
     "uuid": "^3.1.0",
     "write-file-atomic": "^2.3.0",
-    "yargs": "^10.0.3"
+    "yargs": "^10.0.3",
+    "snyk": "^1.316.1"
   },
   "devDependencies": {
     "coveralls": "^3.0.1",
@@ -55,5 +57,6 @@
     "proxyquire": "^2.0.1",
     "sinon": "^4.1.2",
     "typescript": "^2.6.2"
-  }
+  },
+  "snyk": true
 }