diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index 434af364..23330a83 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.19.0a1
+current_version = 0.19.0a2
 tag = True
 tag_name = {new_version}
 commit = True
diff --git a/openapi_core/__init__.py b/openapi_core/__init__.py
index 45b529d3..69e41824 100644
--- a/openapi_core/__init__.py
+++ b/openapi_core/__init__.py
@@ -38,7 +38,7 @@
 
 __author__ = "Artur Maciag"
 __email__ = "maciag.artur@gmail.com"
-__version__ = "0.19.0a1"
+__version__ = "0.19.0a2"
 __url__ = "https://github.com/python-openapi/openapi-core"
 __license__ = "BSD 3-Clause License"
 
diff --git a/pyproject.toml b/pyproject.toml
index 859fb9bd..a3b1dfa2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -33,7 +33,7 @@ ignore_missing_imports = true
 
 [tool.poetry]
 name = "openapi-core"
-version = "0.19.0a1"
+version = "0.19.0a2"
 description = "client-side and server-side support for the OpenAPI Specification v3"
 authors = ["Artur Maciag <maciag.artur@gmail.com>"]
 license = "BSD-3-Clause"