diff --git a/README.md b/README.md
index c96b779..1f4a403 100644
--- a/README.md
+++ b/README.md
@@ -19,7 +19,7 @@
 > 3. Use about 40MB memory.
 > 4. It's tested under Python 3.9+.
 > 5. Try it online:
->     - <https://tzfpy-reflex.reflex.run>, powered by tzfpy and Reflex
+>     - <https://tzfpy-reflex-teal-apple.reflex.run>, powered by tzfpy and Reflex
 >     - <https://ringsaturn.github.io/tzf-web/>, powered by tzf-rs and WebAssembly
 
 ## Usage