diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 2a8f4ff..3e9af1b 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "1.3.0"
+  ".": "1.4.0"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 774dd7d..59257a8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,19 @@
 # Changelog
 
+## [1.4.0](https://github.com/fishaudio/fish-audio-python/compare/fish-audio-sdk-v1.3.0...fish-audio-sdk-v1.4.0) (2026-10-31)
+
+
+### Features
+
+* **types:** accept s2.1-pro-free and drama-3 in Model; README examples and UTM link (FISH-1664) ([#166](https://github.com/fishaudio/fish-audio-python/issues/166)) ([539b409](https://github.com/fishaudio/fish-audio-python/commit/539b409dadec7a77954b94ed2513ddf45b1d3579))
+
+
+### Bug Fixes
+
+* **asr:** keep language, request_id and speaker_turns in ASRResponse ([#165](https://github.com/fishaudio/fish-audio-python/issues/165)) ([49592bc](https://github.com/fishaudio/fish-audio-python/commit/49592bcb24982e5c91f7d1176e4c2ddfcb7c4007))
+* **tts:** support s2.1 model names ([#162](https://github.com/fishaudio/fish-audio-python/issues/162)) ([4481509](https://github.com/fishaudio/fish-audio-python/commit/448150989781e6f91c3ca9f6cc59711a87df8130))
+* **websocket:** drain httpx-ws reader thread before closing sync sessions ([#164](https://github.com/fishaudio/fish-audio-python/issues/164)) ([1418add](https://github.com/fishaudio/fish-audio-python/commit/1418addec092b2f43b37e6f255789967c02b9bd9))
+
 ## [1.3.0](https://github.com/fishaudio/fish-audio-python/compare/fish-audio-sdk-v1.2.0...fish-audio-sdk-v1.3.0) (2026-03-10)
 
 
diff --git a/pyproject.toml b/pyproject.toml
index 8d03250..e836103 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "fish-audio-sdk"
-version = "1.3.0"
+version = "1.4.0"
 description = "The official Python library for the Fish Audio API"
 authors = [
     {name = "abersheeran", email = "me@abersheeran.com"},
diff --git a/src/fishaudio/_version.py b/src/fishaudio/_version.py
index a6c6b58..65cc9b5 100644
--- a/src/fishaudio/_version.py
+++ b/src/fishaudio/_version.py
@@ -1,3 +1,3 @@
 """Version information."""
 
-__version__ = "1.3.0"  # x-release-please-version
+__version__ = "1.4.0"  # x-release-please-version