update readme.

Author: yama-dev

README.md

@@ -19,7 +19,7 @@ The official document is here. -> https://docs.brightcove.com/brightcove-player/
 
 - npm -> [https://www.npmjs.com/package/js-player-module-brightcove](https://www.npmjs.com/package/js-player-module-brightcove)
 
-- Standalone(CDN) -> [https://cdn.jsdelivr.net/gh/yama-dev/js-player-module-brightcove@v5.1.0/dist/js-player-module-brightcove.js](https://cdn.jsdelivr.net/gh/yama-dev/js-player-module-brightcove@v5.1.0/dist/js-player-module-brightcove.js)
+- Standalone(CDN) -> [https://cdn.jsdelivr.net/gh/yama-dev/js-player-module-brightcove@v5.4.0/dist/js-player-module-brightcove.js](https://cdn.jsdelivr.net/gh/yama-dev/js-player-module-brightcove@v5.4.0/dist/js-player-module-brightcove.js)
 
 - Zip -> [yama-dev/js-player-module-brightcove](https://github.com/yama-dev/js-player-module-brightcove/releases/latest)