diff --git a/openapi/__init__.py b/openapi/__init__.py
index 82824b3..c43292c 100644
--- a/openapi/__init__.py
+++ b/openapi/__init__.py
@@ -1,2 +1,2 @@
 """Minimal OpenAPI asynchronous server application"""
-__version__ = "2.9.0"
+__version__ = "3.0.0"
diff --git a/pyproject.toml b/pyproject.toml
index 670d8c0..941c28f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "aio-openapi"
-version = "2.9.0"
+version = "3.0.0"
 description = "Minimal OpenAPI asynchronous server application"
 documentation = "https://aio-openapi.readthedocs.io"
 repository = "https://github.com/quantmind/aio-openapi"