diff --git a/pyproject.toml b/pyproject.toml
index 45b57f7..b7baeaa 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "openapi-pydantic"
-version = "0.3.2"
+version = "0.4.0"
 description = "Pydantic OpenAPI schema implementation"
 authors = ["Mike Oakley <mike-oakley@users.noreply.github.com>"]
 readme = "README.md"