diff --git a/bin/configs/python-aiohttp.yaml b/bin/configs/python-aiohttp.yaml
index a7515a1bdfb2..14a1adeffd39 100644
--- a/bin/configs/python-aiohttp.yaml
+++ b/bin/configs/python-aiohttp.yaml
@@ -6,6 +6,7 @@ library: asyncio
 additionalProperties:
   packageName: petstore_api
   mapNumberTo: float
+  poetry1: true
 nameMappings:
   _type: underscore_type
   type_: type_with_underscore
diff --git a/samples/openapi3/client/petstore/python-aiohttp/pyproject.toml b/samples/openapi3/client/petstore/python-aiohttp/pyproject.toml
index b19ccea78df0..fbafbe1e07a2 100644
--- a/samples/openapi3/client/petstore/python-aiohttp/pyproject.toml
+++ b/samples/openapi3/client/petstore/python-aiohttp/pyproject.toml
@@ -1,33 +1,26 @@
-[project]
+[tool.poetry]
 name = "petstore_api"
 version = "1.0.0"
 description = "OpenAPI Petstore"
-authors = [
-  {name = "OpenAPI Generator Community",email = "team@openapitools.org"},
-]
+authors = ["OpenAPI Generator Community <team@openapitools.org>"]
 license = "Apache-2.0"
 readme = "README.md"
+repository = "https://github.com/GIT_USER_ID/GIT_REPO_ID"
 keywords = ["OpenAPI", "OpenAPI-Generator", "OpenAPI Petstore"]
-requires-python = "^3.9"
-
-dependencies = [
-  "urllib3 (>=2.1.0,<3.0.0)",
-  "python-dateutil (>=2.8.2)",
-  "aiohttp (>=3.8.4)",
-  "aiohttp-retry (>=2.8.3)",
-  "pem (>=19.3.0)",
-  "pycryptodome (>=3.9.0)",
-  "pydantic (>=2)",
-  "typing-extensions (>=4.7.1)"
-]
-
-[project.urls]
-Repository = "https://github.com/GIT_USER_ID/GIT_REPO_ID"
+include = ["petstore_api/py.typed"]
 
-[tool.poetry]
-requires-poetry = ">=2.0"
+[tool.poetry.dependencies]
+python = "^3.9"
+urllib3 = ">= 2.1.0, < 3.0.0"
+python-dateutil = ">= 2.8.2"
+aiohttp = ">= 3.8.4"
+aiohttp-retry = ">= 2.8.3"
+pem = ">= 19.3.0"
+pycryptodome = ">= 3.9.0"
+pydantic = ">= 2"
+typing-extensions = ">= 4.7.1"
 
-[tool.poetry.group.dev.dependencies]
+[tool.poetry.dev-dependencies]
 pytest = ">= 7.2.1"
 pytest-cov = ">= 2.8.1"
 tox = ">= 3.9.0"