diff --git a/README.md b/README.md
index ca8b37fc..2d9dcbc9 100644
--- a/README.md
+++ b/README.md
@@ -97,7 +97,7 @@ minimal protocol patch.
 Current Telegram Desktop baseline:
 
 - Telegram Desktop commit: `9caf32dffc90ddd9bb08ad5777b865f729fa167b`
-- TL layer: 225
+- TL layer: 227
 - Local DC: `127.0.0.1:2398`, DC id `2`
 
 After `gramsrv` generates `data/server_rsa.pem`, export the matching public key:
diff --git a/README.zh-CN.md b/README.zh-CN.md
index 40b3cb47..7b66839f 100644
--- a/README.zh-CN.md
+++ b/README.zh-CN.md
@@ -85,7 +85,7 @@ go build -o bin/gramsrv.exe ./cmd/telesrv
 当前 Telegram Desktop 基线：
 
 - Telegram Desktop commit：`9caf32dffc90ddd9bb08ad5777b865f729fa167b`
-- TL layer：225
+- TL layer：227
 - 本地 DC：`127.0.0.1:2398`，DC id `2`
 
 等 `gramsrv` 生成 `data/server_rsa.pem` 后，导出匹配的公钥：