diff --git a/CHANGELOG.md b/CHANGELOG.md
index b4792af..2e8140e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.9.3b1] 2021-01-14
+### Added
+- Cython and some modules are Cythonized for more speed
+- Some docs
+
 ## [0.9.2] 2021-01-14
 ### Fixes
 - Adding query params in request, when url has the query
@@ -148,7 +153,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - https
 
 
-[Unreleased]: https://github.com/sonic182/aiosonic/compare/0.9.2..HEAD
+[Unreleased]: https://github.com/sonic182/aiosonic/compare/0.9.3b1..HEAD
+[0.9.3b1]: https://github.com/sonic182/aiosonic/compare/0.9.2..0.9.3b1
 [0.9.2]: https://github.com/sonic182/aiosonic/compare/0.9.1..0.9.2
 [0.9.1]: https://github.com/sonic182/aiosonic/compare/0.9.0..0.9.1
 [0.9.0]: https://github.com/sonic182/aiosonic/compare/0.8.1..0.9.0
diff --git a/aiosonic/version.py b/aiosonic/version.py
index bb8bac8..ee953c8 100644
--- a/aiosonic/version.py
+++ b/aiosonic/version.py
@@ -1 +1 @@
-VERSION = '0.9.2'
+VERSION = '0.9.3b1'