diff --git a/index.js b/index.js
index ca2f6dc6..2cd53e23 100644
--- a/index.js
+++ b/index.js
@@ -6,11 +6,20 @@ const Glob = require('./lib/glob')
 const ConfigManager = require('./lib/configManager')
 const NopCommand = require('./lib/nopcommand')
 const env = require('./lib/env')
+const { getProxyForUrl } = require('proxy-from-env')
+const { setGlobalDispatcher, ProxyAgent } = require('undici')
 
 let deploymentConfig
 
 module.exports = (robot, { getRouter }, Settings = require('./lib/settings')) => {
   let appSlug = 'safe-settings'
+
+  const baseUrl = env.GHE_HOST ? `${env.GHE_PROTOCOL || 'https'}://${env.GHE_HOST}` : 'https://api.github.com'
+  const proxyAddress = getProxyForUrl(baseUrl)
+  if (proxyAddress) {
+    setGlobalDispatcher(new ProxyAgent(proxyAddress))
+  }
+
   async function syncAllSettings (nop, context, repo = context.repo(), ref) {
     try {
       deploymentConfig = await loadYamlFileSystem()
diff --git a/lib/env.js b/lib/env.js
index 94c0ea74..8ed5d927 100644
--- a/lib/env.js
+++ b/lib/env.js
@@ -6,5 +6,7 @@ module.exports = {
   CREATE_PR_COMMENT: process.env.CREATE_PR_COMMENT || 'true',
   CREATE_ERROR_ISSUE: process.env.CREATE_ERROR_ISSUE || 'true',
   BLOCK_REPO_RENAME_BY_HUMAN: process.env.BLOCK_REPO_RENAME_BY_HUMAN || 'false',
-  FULL_SYNC_NOP: process.env.FULL_SYNC_NOP === 'true'
+  FULL_SYNC_NOP: process.env.FULL_SYNC_NOP === 'true',
+  GHE_HOST: process.env.GHE_HOST,
+  GHE_PROTOCOL: process.env.GHE_PROTOCOL,
 }