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diff --git a/README.md b/README.md
index 780923a..6f3d3f4 100644
--- a/README.md
+++ b/README.md
@@ -20,7 +20,7 @@ Documentation is located [here](http://reo7sp.github.io/tgbot-cpp).
 ## State
 
 - [x] Bot API 3.0 ~ 3.6
-- [x] Bot API 4.0 ~ 4.2 (Implemented all APIs except 'Telegram Passport')
+- [x] Bot API 4.0 ~ 4.3 (Implemented all APIs except 'Telegram Passport')
 
 
 ## Sample