diff --git a/bin/helpers/archiver.js b/bin/helpers/archiver.js
index 392abeac..fb3b3155 100644
--- a/bin/helpers/archiver.js
+++ b/bin/helpers/archiver.js
@@ -72,9 +72,30 @@ const archiveSpecs = (runSettings, filePath, excludeFiles, md5data) => {
       });
     }
 
+    // Split mac and win configs
+    let macPackageJSON = {};
+    let winPackageJSON = {};
+    Object.assign(macPackageJSON, packageJSON);
+    Object.assign(winPackageJSON, packageJSON);
+
+    if (typeof runSettings.npm_dependencies === 'object') {
+      let macNpmDependencies = Object.assign({}, runSettings.npm_dependencies, runSettings.mac_npm_dependencies || {});
+      let winNpmDependencies = Object.assign({}, runSettings.npm_dependencies, runSettings.win_npm_dependencies || {});
+
+      Object.assign(macPackageJSON, {
+        devDependencies: macNpmDependencies,
+      });
+
+      Object.assign(winPackageJSON, {
+        devDependencies: winNpmDependencies,
+      });
+    }
+
     if (Object.keys(packageJSON).length > 0) {
-      let packageJSONString = JSON.stringify(packageJSON, null, 4);
-      archive.append(packageJSONString, {name: `${cypressAppendFilesZipLocation}browserstack-package.json`});
+      const macPackageJSONString = JSON.stringify(macPackageJSON, null, 4);
+      const winPackageJSONString = JSON.stringify(winPackageJSON, null, 4);
+      archive.append(macPackageJSONString, {name: `${cypressAppendFilesZipLocation}browserstack-mac-package.json`});
+      archive.append(winPackageJSONString, {name: `${cypressAppendFilesZipLocation}browserstack-win-package.json`});
     }
 
     //Create copy of package.json
diff --git a/bin/helpers/checkUploaded.js b/bin/helpers/checkUploaded.js
index 68588d45..2acb5cba 100644
--- a/bin/helpers/checkUploaded.js
+++ b/bin/helpers/checkUploaded.js
@@ -1,5 +1,6 @@
 'use strict';
 const request = require('request');
+const { combineMacWinNpmDependencies } = require('./helper');
 
 const crypto = require('crypto'),
   Constants = require('./constants'),
@@ -59,7 +60,7 @@ const checkPackageMd5 = (runSettings) => {
 
   if (typeof runSettings.npm_dependencies === 'object') {
     Object.assign(packageJSON, {
-      devDependencies: utils.sortJsonKeys(runSettings.npm_dependencies),
+      devDependencies: utils.sortJsonKeys(combineMacWinNpmDependencies(runSettings)),
     });
   }
 
diff --git a/bin/helpers/constants.js b/bin/helpers/constants.js
index a19f188d..c4b78d0f 100644
--- a/bin/helpers/constants.js
+++ b/bin/helpers/constants.js
@@ -343,7 +343,11 @@ const filesToIgnoreWhileUploading = [
   "package.json",
   "**/package.json",
   "browserstack-package.json",
+  "browserstack-mac-package.json",
+  "browserstack-win-package.json",
   "**/browserstack-package.json",
+  "**/browserstack-mac-package.json",
+  "**/browserstack-win-package.json",
   "tests.zip",
   "**/tests.zip",
   "cypress.json",
diff --git a/bin/helpers/helper.js b/bin/helpers/helper.js
index 8a985829..3e89e971 100644
--- a/bin/helpers/helper.js
+++ b/bin/helpers/helper.js
@@ -441,3 +441,7 @@ exports.truncateString = (field, truncateSizeInBytes) => {
 
   return field;
 };
+
+exports.combineMacWinNpmDependencies = (runSettings) => {
+  return Object.assign({}, runSettings.npm_dependencies, runSettings.win_npm_dependencies || {}, runSettings.mac_npm_dependencies || {})
+};
diff --git a/bin/helpers/packageInstaller.js b/bin/helpers/packageInstaller.js
index a3f71fbe..18c4a30f 100644
--- a/bin/helpers/packageInstaller.js
+++ b/bin/helpers/packageInstaller.js
@@ -12,6 +12,8 @@
   cliUtils = require("./utils"),
   util = require('util');
 
+const { combineMacWinNpmDependencies } = require("./helper");
+
 let nodeProcess;
 
 const setupPackageFolder = (runSettings, directoryPath) => {
@@ -29,9 +31,10 @@ const setupPackageFolder = (runSettings, directoryPath) => {
           Object.assign(packageJSON, runSettings.package_config_options);
         }
 
+        // Combine win and mac specific dependencies if present
         if (typeof runSettings.npm_dependencies === 'object') {
           Object.assign(packageJSON, {
-            devDependencies: runSettings.npm_dependencies,
+            devDependencies: combineMacWinNpmDependencies(runSettings),
           });
         }
 
diff --git a/bin/helpers/utils.js b/bin/helpers/utils.js
index d7639ee7..fc5fd614 100644
--- a/bin/helpers/utils.js
+++ b/bin/helpers/utils.js
@@ -222,6 +222,16 @@ exports.setDefaults = (bsConfig, args) => {
     bsConfig.run_settings.npm_dependencies = {}
   }
 
+  // setting win_npm_dependencies to {} if not present
+  if (bsConfig.run_settings && this.isUndefined(bsConfig.run_settings.win_npm_dependencies)) {
+    bsConfig.run_settings.win_npm_dependencies = {}
+  }
+
+  // setting mac_npm_dependencies to {} if not present
+  if (bsConfig.run_settings && this.isUndefined(bsConfig.run_settings.mac_npm_dependencies)) {
+    bsConfig.run_settings.mac_npm_dependencies = {}
+  }
+
   // setting connection_settings to {} if not present
   if (this.isUndefined(bsConfig.connection_settings)) {
     bsConfig.connection_settings = {};