diff --git a/README.md b/README.md
index d5c88fd1..16967c0d 100644
--- a/README.md
+++ b/README.md
@@ -252,6 +252,7 @@ console.log(await claudeResponse.json());
 - claude-opus-4-1-20250805
 - claude-opus-4-20250514
 - claude-sonnet-4-20250514
+- claude-sonnet-4-5-20250929
 - claude-3-7-sonnet-20250219
 - claude-3-5-haiku-20241022
 - qwen3-coder-plus
diff --git a/README_CN.md b/README_CN.md
index 46979972..a234797a 100644
--- a/README_CN.md
+++ b/README_CN.md
@@ -264,6 +264,7 @@ console.log(await claudeResponse.json());
 - claude-opus-4-1-20250805
 - claude-opus-4-20250514
 - claude-sonnet-4-20250514
+- claude-sonnet-4-5-20250929
 - claude-3-7-sonnet-20250219
 - claude-3-5-haiku-20241022
 - qwen3-coder-plus