diff --git a/packages/cli/src/commands/extensions.tsx b/packages/cli/src/commands/extensions.tsx
index e198a1ac47..be4d7160cc 100644
--- a/packages/cli/src/commands/extensions.tsx
+++ b/packages/cli/src/commands/extensions.tsx
@@ -16,6 +16,7 @@ import { newCommand } from './extensions/new.js';
 
 export const extensionsCommand: CommandModule = {
   command: 'extensions <command>',
+  aliases: ['extension'],
   describe: 'Manage Gemini CLI extensions.',
   builder: (yargs) =>
     yargs