diff --git a/lib/config.js b/lib/config.js
index d1cd93288c..f508f496cb 100755
--- a/lib/config.js
+++ b/lib/config.js
@@ -193,6 +193,12 @@ Config.prototype.buildArgs = function () {
     args.tag_ap = this.tag_ap
   }
 
+  if (process.platform === 'win32' && this.build_delta_installer) {
+    assert(this.last_chrome_installer, 'Need last_chrome_installer args for building delta installer')
+    args.build_delta_installer = true
+    args.last_chrome_installer = this.last_chrome_installer
+  }
+
   if (this.isDebug() &&
       this.targetOS !== 'ios' &&
       this.targetOS !== 'android') {
@@ -482,6 +488,11 @@ Config.prototype.update = function (options) {
     this.skip_signing = true
   }
 
+  if (options.build_delta_installer) {
+    this.build_delta_installer = true
+    this.last_chrome_installer = options.last_chrome_installer
+  }
+
   if (options.mac_signing_identifier)
     this.mac_signing_identifier = options.mac_signing_identifier
 
diff --git a/scripts/commands.js b/scripts/commands.js
index 5f8cb1d269..66674f0e75 100755
--- a/scripts/commands.js
+++ b/scripts/commands.js
@@ -81,6 +81,8 @@ program
   .option('--build_omaha', 'build omaha stub/standalone installer')
   .option('--tag_ap <ap>', 'ap for stub/standalone installer')
   .option('--skip_signing', 'skip signing dmg/brave_installer.exe')
+  .option('--build_delta_installer', 'build delta mini installer')
+  .option('--last_chrome_installer <last_chrome_installer>', 'folder contains previous version uncompressed chrome.7z pack file. This folder should be in out dir.')
   .option('--android_override_version_name <android_override_version_name>', 'Android version number')
   .option('--brave_safetynet_api_key <brave_safetynet_api_key>')
   .option('--notarize', 'notarize the macOS app with Apple')