diff --git a/dist/cleanup/CredentialsClient.js b/dist/cleanup/CredentialsClient.js
index fac813f..4ff4cc5 100644
--- a/dist/cleanup/CredentialsClient.js
+++ b/dist/cleanup/CredentialsClient.js
@@ -1,27 +1,4 @@
 "use strict";
-var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
-    if (k2 === undefined) k2 = k;
-    var desc = Object.getOwnPropertyDescriptor(m, k);
-    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
-      desc = { enumerable: true, get: function() { return m[k]; } };
-    }
-    Object.defineProperty(o, k2, desc);
-}) : (function(o, m, k, k2) {
-    if (k2 === undefined) k2 = k;
-    o[k2] = m[k];
-}));
-var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
-    Object.defineProperty(o, "default", { enumerable: true, value: v });
-}) : function(o, v) {
-    o["default"] = v;
-});
-var __importStar = (this && this.__importStar) || function (mod) {
-    if (mod && mod.__esModule) return mod;
-    var result = {};
-    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
-    __setModuleDefault(result, mod);
-    return result;
-};
 var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
     function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
     return new (P || (P = Promise))(function (resolve, reject) {
@@ -58,15 +35,12 @@ var __generator = (this && this.__generator) || function (thisArg, body) {
         if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
     }
 };
-var __importDefault = (this && this.__importDefault) || function (mod) {
-    return (mod && mod.__esModule) ? mod : { "default": mod };
-};
 exports.__esModule = true;
 exports.CredentialsClient = void 0;
-var core = __importStar(require("@actions/core"));
+var core_1 = require("@actions/core");
 var client_sts_1 = require("@aws-sdk/client-sts");
 var node_http_handler_1 = require("@aws-sdk/node-http-handler");
-var https_proxy_agent_1 = __importDefault(require("https-proxy-agent"));
+var https_proxy_agent_1 = require("https-proxy-agent");
 var helpers_1 = require("./helpers");
 var USER_AGENT = 'configure-aws-credentials-for-github-actions';
 var CredentialsClient = /** @class */ (function () {
@@ -75,11 +49,11 @@ var CredentialsClient = /** @class */ (function () {
             this.region = props.region;
         }
         else {
-            core.info('No region provided, using global STS endpoint');
+            (0, core_1.info)('No region provided, using global STS endpoint');
         }
         if (props.proxyServer) {
-            core.info('Configurint proxy handler for STS client');
-            var handler = (0, https_proxy_agent_1["default"])(props.proxyServer);
+            (0, core_1.info)('Configurint proxy handler for STS client');
+            var handler = new https_proxy_agent_1.HttpsProxyAgent(props.proxyServer);
             this.requestHandler = new node_http_handler_1.NodeHttpHandler({
                 httpAgent: handler,
                 httpsAgent: handler
diff --git a/dist/cleanup/cleanup/index.js b/dist/cleanup/cleanup/index.js
index 74bc912..266f504 100644
--- a/dist/cleanup/cleanup/index.js
+++ b/dist/cleanup/cleanup/index.js
@@ -1,30 +1,7 @@
 "use strict";
-var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
-    if (k2 === undefined) k2 = k;
-    var desc = Object.getOwnPropertyDescriptor(m, k);
-    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
-      desc = { enumerable: true, get: function() { return m[k]; } };
-    }
-    Object.defineProperty(o, k2, desc);
-}) : (function(o, m, k, k2) {
-    if (k2 === undefined) k2 = k;
-    o[k2] = m[k];
-}));
-var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
-    Object.defineProperty(o, "default", { enumerable: true, value: v });
-}) : function(o, v) {
-    o["default"] = v;
-});
-var __importStar = (this && this.__importStar) || function (mod) {
-    if (mod && mod.__esModule) return mod;
-    var result = {};
-    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
-    __setModuleDefault(result, mod);
-    return result;
-};
 exports.__esModule = true;
 exports.cleanup = void 0;
-var core = __importStar(require("@actions/core"));
+var core = require("@actions/core");
 var helpers_1 = require("../helpers");
 /**
  * When the GitHub Actions job is done, clean up any environment variables that
diff --git a/dist/cleanup/helpers.js b/dist/cleanup/helpers.js
index c262df5..874414a 100644
--- a/dist/cleanup/helpers.js
+++ b/dist/cleanup/helpers.js
@@ -1,27 +1,4 @@
 "use strict";
-var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
-    if (k2 === undefined) k2 = k;
-    var desc = Object.getOwnPropertyDescriptor(m, k);
-    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
-      desc = { enumerable: true, get: function() { return m[k]; } };
-    }
-    Object.defineProperty(o, k2, desc);
-}) : (function(o, m, k, k2) {
-    if (k2 === undefined) k2 = k;
-    o[k2] = m[k];
-}));
-var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
-    Object.defineProperty(o, "default", { enumerable: true, value: v });
-}) : function(o, v) {
-    o["default"] = v;
-});
-var __importStar = (this && this.__importStar) || function (mod) {
-    if (mod && mod.__esModule) return mod;
-    var result = {};
-    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
-    __setModuleDefault(result, mod);
-    return result;
-};
 var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
     function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
     return new (P || (P = Promise))(function (resolve, reject) {
@@ -60,7 +37,7 @@ var __generator = (this && this.__generator) || function (thisArg, body) {
 };
 exports.__esModule = true;
 exports.isDefined = exports.errorMessage = exports.retryAndBackoff = exports.reset = exports.withsleep = exports.defaultSleep = exports.sanitizeGitHubVariables = exports.exportAccountId = exports.exportRegion = exports.exportCredentials = void 0;
-var core = __importStar(require("@actions/core"));
+var core = require("@actions/core");
 var client_sts_1 = require("@aws-sdk/client-sts");
 var MAX_TAG_VALUE_LENGTH = 256;
 var SANITIZATION_CHARACTER = '_';
diff --git a/dist/index.js b/dist/index.js
index 733672b..605a0a0 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -2,42 +2,16 @@
 /******/ 	var __webpack_modules__ = ({
 
 /***/ 3301:
-/***/ (function(__unused_webpack_module, exports, __nccwpck_require__) {
+/***/ ((__unused_webpack_module, exports, __nccwpck_require__) => {
 
 "use strict";
 
-var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
-    if (k2 === undefined) k2 = k;
-    var desc = Object.getOwnPropertyDescriptor(m, k);
-    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
-      desc = { enumerable: true, get: function() { return m[k]; } };
-    }
-    Object.defineProperty(o, k2, desc);
-}) : (function(o, m, k, k2) {
-    if (k2 === undefined) k2 = k;
-    o[k2] = m[k];
-}));
-var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
-    Object.defineProperty(o, "default", { enumerable: true, value: v });
-}) : function(o, v) {
-    o["default"] = v;
-});
-var __importStar = (this && this.__importStar) || function (mod) {
-    if (mod && mod.__esModule) return mod;
-    var result = {};
-    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
-    __setModuleDefault(result, mod);
-    return result;
-};
-var __importDefault = (this && this.__importDefault) || function (mod) {
-    return (mod && mod.__esModule) ? mod : { "default": mod };
-};
 Object.defineProperty(exports, "__esModule", ({ value: true }));
 exports.CredentialsClient = void 0;
-const core = __importStar(__nccwpck_require__(2186));
+const core_1 = __nccwpck_require__(2186);
 const client_sts_1 = __nccwpck_require__(2209);
 const node_http_handler_1 = __nccwpck_require__(8805);
-const https_proxy_agent_1 = __importDefault(__nccwpck_require__(7219));
+const https_proxy_agent_1 = __nccwpck_require__(7219);
 const helpers_1 = __nccwpck_require__(9787);
 const USER_AGENT = 'configure-aws-credentials-for-github-actions';
 class CredentialsClient {
@@ -46,11 +20,11 @@ class CredentialsClient {
             this.region = props.region;
         }
         else {
-            core.info('No region provided, using global STS endpoint');
+            (0, core_1.info)('No region provided, using global STS endpoint');
         }
         if (props.proxyServer) {
-            core.info('Configurint proxy handler for STS client');
-            const handler = (0, https_proxy_agent_1.default)(props.proxyServer);
+            (0, core_1.info)('Configurint proxy handler for STS client');
+            const handler = new https_proxy_agent_1.HttpsProxyAgent(props.proxyServer);
             this.requestHandler = new node_http_handler_1.NodeHttpHandler({
                 httpAgent: handler,
                 httpsAgent: handler,
diff --git a/package.json b/package.json
index 1adefb7..5107cc4 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
   "scripts": {
     "build": "tsc --project tsconfig.build.json",
     "lint": "eslint .",
-    "package": "npm run build && ncc build --license THIRD-PARTY -o dist && tsc src/cleanup/index.ts --skipLibCheck --esModuleInterop --outdir dist/cleanup && copyup -E dist/THIRD-PARTY . && del-cli dist/THIRD-PARTY",
+    "package": "npm run build && ncc build --license THIRD-PARTY -o dist && tsc src/cleanup/index.ts --skipLibCheck --outdir dist/cleanup && copyup -E dist/THIRD-PARTY . && del-cli dist/THIRD-PARTY",
     "test": "npm run lint && jest --verbose"
   },
   "author": {
diff --git a/src/CredentialsClient.ts b/src/CredentialsClient.ts
index 46b9126..52d3dcb 100644
--- a/src/CredentialsClient.ts
+++ b/src/CredentialsClient.ts
@@ -1,7 +1,7 @@
-import * as core from '@actions/core';
+import { info } from '@actions/core';
 import { STSClient } from '@aws-sdk/client-sts';
 import { NodeHttpHandler } from '@aws-sdk/node-http-handler';
-import proxy from 'https-proxy-agent';
+import { HttpsProxyAgent } from 'https-proxy-agent';
 import { errorMessage } from './helpers';
 
 const USER_AGENT = 'configure-aws-credentials-for-github-actions';
@@ -20,11 +20,11 @@ export class CredentialsClient {
     if (props.region) {
       this.region = props.region;
     } else {
-      core.info('No region provided, using global STS endpoint');
+      info('No region provided, using global STS endpoint');
     }
     if (props.proxyServer) {
-      core.info('Configurint proxy handler for STS client');
-      const handler = proxy(props.proxyServer);
+      info('Configurint proxy handler for STS client');
+      const handler = new HttpsProxyAgent(props.proxyServer);
       this.requestHandler = new NodeHttpHandler({
         httpAgent: handler,
         httpsAgent: handler,