Update README.md

README.md

@@ -4,7 +4,7 @@ emoji: 📊
 colorFrom: purple
 colorTo: green
 sdk: gradio
-sdk_version: 3.5
+sdk_version: 4.38.1
 app_file: app.py
 pinned: false
 license: apache-2.0
@@ -13,4 +13,4 @@ license: apache-2.0
 # ipyvizzu-story demo with mercury
 
 This is an interactive ipyvizzu-story demo with mercury.
-Visit our [site](https://github.com/vizzuhq/ipyvizzu-story) for more details, such as a step-by-step tutorial and examples.
+Visit our [site](https://github.com/vizzuhq/ipyvizzu-story) for more details, such as a step-by-step tutorial and examples.