diff --git a/CHANGELOG.md b/CHANGELOG.md
index 04d9d60b..c0b52c2b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,4 @@
+## 3.0.1b4 ##
 * Initial implementation of topic reader
 
 ## 3.0.1b3 ##
diff --git a/setup.py b/setup.py
index 6716c84a..389711ba 100644
--- a/setup.py
+++ b/setup.py
@@ -6,7 +6,7 @@
 
 setuptools.setup(
     name="ydb",
-    version="3.0.1b3",  # AUTOVERSION
+    version="3.0.1b4",  # AUTOVERSION
     description="YDB Python SDK",
     author="Yandex LLC",
     author_email="ydb@yandex-team.ru",