diff --git a/.snyk b/.snyk
index 029771d..4d983bb 100644
--- a/.snyk
+++ b/.snyk
@@ -1,5 +1,5 @@
 # Snyk (https://snyk.io) policy file, patches or ignores known vulnerabilities.
-version: v1.8.0
+version: v1.13.5
 ignore: {}
 # patches apply the minimum changes required to fix a vulnerability
 patch:
@@ -8,3 +8,8 @@ patch:
         patched: '2017-11-30T23:56:09.848Z'
     - ng2-charts > chart.js > moment:
         patched: '2017-11-30T23:56:09.848Z'
+  SNYK-JS-HTTPSPROXYAGENT-469131:
+    - snyk > proxy-agent > https-proxy-agent:
+        patched: '2019-10-04T23:40:25.644Z'
+    - snyk > proxy-agent > pac-proxy-agent > https-proxy-agent:
+        patched: '2019-10-04T23:40:25.644Z'
diff --git a/package.json b/package.json
index 578ec4f..947f394 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "rxjs": "^5.5.2",
     "stacktrace-js": "^2.0.0",
     "zone.js": "^0.8.14",
-    "snyk": "^1.52.1"
+    "snyk": "^1.231.0"
   },
   "devDependencies": {
     "@angular/cli": "^1.5.2",