diff --git a/.snyk b/.snyk
index a27b860..f9535a4 100644
--- a/.snyk
+++ b/.snyk
@@ -1,3 +1,5 @@
+# Snyk (https://snyk.io) policy file, patches or ignores known vulnerabilities.
+# patches apply the minimum changes required to fix a vulnerability
 patch:
   'npm:uglify-js:20150824':
     - jade > transformers > uglify-js:
@@ -24,7 +26,13 @@ patch:
         patched: '2016-07-03T13:48:08.042Z'
     - forever-monitor > chokidar > fsevents > node-pre-gyp > tar-pack > fstream-ignore > minimatch:
         patched: '2016-07-03T13:48:08.042Z'
-version: v1.5.0
+  SNYK-JS-HTTPSPROXYAGENT-469131:
+    - snyk > proxy-agent > https-proxy-agent:
+        patched: '2019-10-07T01:36:14.924Z'
+    - snyk > proxy-agent > pac-proxy-agent > https-proxy-agent:
+        patched: '2019-10-07T01:36:14.924Z'
+version: v1.13.5
+# ignores vulnerabilities until expiry date; change duration by modifying expiry date
 ignore:
   'npm:minimatch:20160620':
     - mocha > glob > minimatch:
diff --git a/package.json b/package.json
index 65247e6..49db62e 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
     "request": "^2.69.0",
     "serve-favicon": "~2.3.0",
     "should": "^8.2.2",
-    "snyk": "^1.14.2",
+    "snyk": "^1.231.0",
     "supertest": "^2.0.0"
   },
   "engines": {