diff --git a/.snyk b/.snyk
index b65c2306..ded5aef2 100644
--- a/.snyk
+++ b/.snyk
@@ -1,6 +1,13 @@
-version: v1.5.0
+# 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:
   'npm:uglify-js:20151024':
     - swig > uglify-js:
         patched: '2016-07-04T07:52:36.120Z'
+  SNYK-JS-HTTPSPROXYAGENT-469131:
+    - snyk > proxy-agent > https-proxy-agent:
+        patched: '2019-10-07T04:27:27.243Z'
+    - snyk > proxy-agent > pac-proxy-agent > https-proxy-agent:
+        patched: '2019-10-07T04:27:27.243Z'
diff --git a/package.json b/package.json
index 49a3046a..71c1f853 100644
--- a/package.json
+++ b/package.json
@@ -46,7 +46,7 @@
     "socketio-sticky-session": "^0.4.1",
     "swig": "^1.3.2",
     "uglify-js": "^2.7.0",
-    "snyk": "^1.17.5"
+    "snyk": "^1.231.0"
   },
   "devDependencies": {
     "chai": "^3.5.0",