diff --git a/CHANGELOG.md b/CHANGELOG.md
index ca6973b..d529ff8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog
 
-## 未发布
+## 1.3.8(2026-09-14)
 
 流式中段沉默的计量与应对(issue #27 / #28):`generation_ms` 口径重定义为**净生成时间**(扣除所有超阈值中段沉默)并配 `stall_ms`/`stall_count` 归因字段与遥测两列;另加一条**默认关闭**的中段沉默对冲(主路首 token 之后相邻增量 chunk 间隔超阈值时,向异源并发再发一次)。两键均不设时行为逐字等于 1.3.7(默认关闭回归门: 既有 unit/contracts 全套件语义断言一行未改)。
 
diff --git a/README.md b/README.md
index 76f6d0e..e7f24ba 100644
--- a/README.md
+++ b/README.md
@@ -145,7 +145,7 @@ stats.total_latency_ms             # 含缓存 IO、退避、准入等待、重
 
 ```bash
 pip install --extra-index-url https://gitea.iomgaa.online/api/packages/iomgaa/pypi/simple/ \
-    "polygateway[redis,postgres,structured]>=1.3.7,<2"
+    "polygateway[redis,postgres,structured]>=1.3.8,<2"
 ```
 
 核心仅依赖 `httpx` + `pydantic`;按需选 extras:
diff --git a/pyproject.toml b/pyproject.toml
index 1a283d6..06cb836 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "polygateway"
-version = "1.3.7"
+version = "1.3.8"
 description = "PolyGateway：实验室统一的大语言模型（LLM/VLM/OCR）调度与中转库——多源、限流、重试、熔断、缓存、遥测"
 # registry 包页面的正文只认这一项:缺了页面就是一片空白(1.1.2 的教训,twine 会警告
 # long_description missing 但不阻塞上传)。README 在打包时被固化进产物,发布后再改无效。
diff --git a/src/polygateway/__init__.py b/src/polygateway/__init__.py
index 2df241a..8eaa381 100644
--- a/src/polygateway/__init__.py
+++ b/src/polygateway/__init__.py
@@ -52,7 +52,7 @@ from polygateway.types import (
     ThinkingObservation,
 )
 
-__version__ = "1.3.7"
+__version__ = "1.3.8"
 
 __all__ = [
     "DEFAULT_PROFILES",