diff --git a/src/main.ts b/src/main.ts
index bd0fcf5..8c36945 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -77,7 +77,8 @@ module.exports = function (argv: string[]): void {
 		.option('--packagePath [path]', 'Publish the VSIX package located at the specified path.')
 		.option('--baseContentUrl [url]', 'Prepend all relative links in README.md with this url.')
 		.option('--baseImagesUrl [url]', 'Prepend all relative image links in README.md with this url.')
-		.action((version, { pat, packagePath, baseContentUrl, baseImagesUrl }) => main(publish({ pat, version, packagePath, baseContentUrl, baseImagesUrl })));
+		.option('--yarn', 'Use yarn instead of npm while packing extension files')
+		.action((version, { pat, packagePath, baseContentUrl, baseImagesUrl, yarn }) => main(publish({ pat, version, packagePath, baseContentUrl, baseImagesUrl, useYarn: yarn })));
 
 	program
 		.command('unpublish [<extensionid>]')
diff --git a/src/publish.ts b/src/publish.ts
index d4c4d86..40fa09b 100644
--- a/src/publish.ts
+++ b/src/publish.ts
@@ -93,6 +93,7 @@ export interface IPublishOptions {
 	pat?: string;
 	baseContentUrl?: string;
 	baseImagesUrl?: string;
+	useYarn?: boolean;
 }
 
 function versionBump(cwd: string = process.cwd(), version?: string): Promise<void> {
@@ -139,10 +140,11 @@ export function publish(options: IPublishOptions = {}): Promise<any> {
 		const cwd = options.cwd;
 		const baseContentUrl = options.baseContentUrl;
 		const baseImagesUrl = options.baseImagesUrl;
+		const useYarn = options.useYarn;
 
 		promise = versionBump(options.cwd, options.version)
 			.then(() => tmpName())
-			.then(packagePath => pack({ packagePath, cwd, baseContentUrl, baseImagesUrl }));
+			.then(packagePath => pack({ packagePath, cwd, baseContentUrl, baseImagesUrl, useYarn }));
 	}
 
 	return promise.then(({ manifest, packagePath }) => {