diff --git a/packages/github/package-lock.json b/packages/github/package-lock.json
index e7e3eaac..c3bcb49c 100644
--- a/packages/github/package-lock.json
+++ b/packages/github/package-lock.json
@@ -5,9 +5,9 @@
   "requires": true,
   "dependencies": {
     "@actions/http-client": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/@actions/http-client/-/http-client-1.0.2.tgz",
-      "integrity": "sha512-ngdGx7aXM7i9BFT+7e3RWWAEt3bX4tKrdI5w5hf0wYpHz66u5Nw6AFSFXG5wzQyUQbkgeNRnJZyK2zciGqXgrQ==",
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/@actions/http-client/-/http-client-1.0.3.tgz",
+      "integrity": "sha512-wFwh1U4adB/Zsk4cc9kVqaBOHoknhp/pJQk+aWTocbAZWpIl4Zx/At83WFRLXvxB+5HVTWOACM6qjULMZfQSfw==",
       "requires": {
         "tunnel": "0.0.6"
       }
diff --git a/packages/github/package.json b/packages/github/package.json
index 6dc176ef..ee68a04f 100644
--- a/packages/github/package.json
+++ b/packages/github/package.json
@@ -37,7 +37,7 @@
     "url": "https://github.com/actions/toolkit/issues"
   },
   "dependencies": {
-    "@actions/http-client": "^1.0.2",
+    "@actions/http-client": "^1.0.3",
     "@octokit/graphql": "^4.3.1",
     "@octokit/rest": "^16.15.0"
   },
diff --git a/packages/github/src/github.ts b/packages/github/src/github.ts
index e07790f1..a2ef2338 100644
--- a/packages/github/src/github.ts
+++ b/packages/github/src/github.ts
@@ -12,7 +12,7 @@ import {
 import Octokit from '@octokit/rest'
 import * as Context from './context'
 import * as http from 'http'
-import {HttpClient} from '@actions/http-client'
+import * as httpClient from '@actions/http-client'
 
 // We need this in order to extend Octokit
 Octokit.prototype = new Octokit()
@@ -122,10 +122,10 @@ export class GitHub extends Octokit {
     options: Octokit.Options
   ): http.Agent | undefined {
     if (!options.request?.agent) {
-      const proxyUrl = process.env['https_proxy'] || process.env['HTTPS_PROXY']
-      if (proxyUrl) {
-        const httpClient = new HttpClient()
-        return httpClient.getAgent('https://api.github.com')
+      const serverUrl = 'https://api.github.com'
+      if (httpClient.getProxyUrl(serverUrl)) {
+        const hc = new httpClient.HttpClient()
+        return hc.getAgent(serverUrl)
       }
     }
 
diff --git a/packages/tool-cache/package-lock.json b/packages/tool-cache/package-lock.json
index 129e3dfa..9eb9a83d 100644
--- a/packages/tool-cache/package-lock.json
+++ b/packages/tool-cache/package-lock.json
@@ -5,9 +5,9 @@
 	"requires": true,
 	"dependencies": {
 		"@actions/http-client": {
-			"version": "1.0.2",
-			"resolved": "https://registry.npmjs.org/@actions/http-client/-/http-client-1.0.2.tgz",
-			"integrity": "sha512-ngdGx7aXM7i9BFT+7e3RWWAEt3bX4tKrdI5w5hf0wYpHz66u5Nw6AFSFXG5wzQyUQbkgeNRnJZyK2zciGqXgrQ==",
+			"version": "1.0.3",
+			"resolved": "https://registry.npmjs.org/@actions/http-client/-/http-client-1.0.3.tgz",
+			"integrity": "sha512-wFwh1U4adB/Zsk4cc9kVqaBOHoknhp/pJQk+aWTocbAZWpIl4Zx/At83WFRLXvxB+5HVTWOACM6qjULMZfQSfw==",
 			"requires": {
 				"tunnel": "0.0.6"
 			}
diff --git a/packages/tool-cache/package.json b/packages/tool-cache/package.json
index a9d10451..41f73293 100644
--- a/packages/tool-cache/package.json
+++ b/packages/tool-cache/package.json
@@ -38,7 +38,7 @@
   "dependencies": {
     "@actions/core": "^1.2.0",
     "@actions/exec": "^1.0.0",
-    "@actions/http-client": "^1.0.2",
+    "@actions/http-client": "^1.0.3",
     "@actions/io": "^1.0.1",
     "semver": "^6.1.0",
     "uuid": "^3.3.2"