diff --git a/docs/generators/python.md b/docs/generators/python.md
index 6a41958cb7fd..51b011e04409 100644
--- a/docs/generators/python.md
+++ b/docs/generators/python.md
@@ -29,6 +29,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |packageName|python package name (convention: snake_case).| |openapi_client|
 |packageUrl|python package URL.| |null|
 |packageVersion|python package version.| |1.0.0|
+|poetry1|Fallback to formatting pyproject.toml to Poetry 1.x format.| |null|
 |projectName|python project name in setup.py (e.g. petstore-api).| |null|
 |recursionLimit|Set the recursion limit. If not set, use the system default value.| |null|
 |setEnsureAsciiToFalse|When set to true, add `ensure_ascii=False` in json.dumps when creating the HTTP request body.| |false|
diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PythonClientCodegen.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PythonClientCodegen.java
index 32ff3da81780..011b807c98dc 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PythonClientCodegen.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PythonClientCodegen.java
@@ -47,6 +47,7 @@ public class PythonClientCodegen extends AbstractPythonCodegen implements Codege
     public static final String DATETIME_FORMAT = "datetimeFormat";
     public static final String DATE_FORMAT = "dateFormat";
     public static final String SET_ENSURE_ASCII_TO_FALSE = "setEnsureAsciiToFalse";
+    public static final String POETRY1_FALLBACK = "poetry1";
 
     @Setter protected String packageUrl;
     protected String apiDocPath = "docs/";
@@ -149,6 +150,7 @@ public PythonClientCodegen() {
         cliOptions.add(new CliOption(DATE_FORMAT, "date format for query parameters")
                 .defaultValue("%Y-%m-%d"));
         cliOptions.add(new CliOption(CodegenConstants.USE_ONEOF_DISCRIMINATOR_LOOKUP, CodegenConstants.USE_ONEOF_DISCRIMINATOR_LOOKUP_DESC).defaultValue("false"));
+        cliOptions.add(new CliOption(POETRY1_FALLBACK, "Fallback to formatting pyproject.toml to Poetry 1.x format."));
 
         supportedLibraries.put("urllib3", "urllib3-based client");
         supportedLibraries.put("asyncio", "asyncio-based client");
diff --git a/modules/openapi-generator/src/main/resources/python/pyproject.mustache b/modules/openapi-generator/src/main/resources/python/pyproject.mustache
index 195e46b9c5f4..4b2949c9e9db 100644
--- a/modules/openapi-generator/src/main/resources/python/pyproject.mustache
+++ b/modules/openapi-generator/src/main/resources/python/pyproject.mustache
@@ -1,17 +1,31 @@
+{{#poetry1}}
 [tool.poetry]
+{{/poetry1}}
+{{^poetry1}}
+[project]
+{{/poetry1}}
 name = "{{{packageName}}}"
 version = "{{{packageVersion}}}"
 description = "{{{appName}}}"
+{{#poetry1}}
 authors = ["{{infoName}}{{^infoName}}OpenAPI Generator Community{{/infoName}} <{{infoEmail}}{{^infoEmail}}team@openapitools.org{{/infoEmail}}>"]
+{{/poetry1}}
+{{^poetry1}}
+authors = [
+  {name = "{{infoName}}{{^infoName}}OpenAPI Generator Community{{/infoName}}",email = "{{infoEmail}}{{^infoEmail}}team@openapitools.org{{/infoEmail}}"},
+]
+{{/poetry1}}
 license = "{{{licenseInfo}}}{{^licenseInfo}}NoLicense{{/licenseInfo}}"
 readme = "README.md"
+{{#poetry1}}
 repository = "https://{{{gitHost}}}/{{{gitUserId}}}/{{{gitRepoId}}}"
+{{/poetry1}}
 keywords = ["OpenAPI", "OpenAPI-Generator", "{{{appName}}}"]
+{{#poetry1}}
 include = ["{{packageName}}/py.typed"]
 
 [tool.poetry.dependencies]
 python = "^3.9"
-
 urllib3 = ">= 2.1.0, < 3.0.0"
 python-dateutil = ">= 2.8.2"
 {{#asyncio}}
@@ -27,8 +41,43 @@ pycryptodome = ">= 3.9.0"
 {{/hasHttpSignatureMethods}}
 pydantic = ">= 2"
 typing-extensions = ">= 4.7.1"
+{{/poetry1}}
+{{^poetry1}}
+requires-python = "^3.9"
+
+dependencies = [
+  "urllib3 (>=2.1.0,<3.0.0)",
+  "python-dateutil (>=2.8.2)",
+{{#asyncio}}
+  "aiohttp (>=3.8.4)",
+  "aiohttp-retry (>=2.8.3)",
+{{/asyncio}}
+{{#tornado}}
+  "tornado (>=4.2,<5)",
+{{/tornado}}
+{{#hasHttpSignatureMethods}}
+  "pem (>=19.3.0)",
+  "pycryptodome (>=3.9.0)",
+{{/hasHttpSignatureMethods}}
+  "pydantic (>=2)",
+  "typing-extensions (>=4.7.1)"
+]
+
+[project.urls]
+Repository = "https://{{{gitHost}}}/{{{gitUserId}}}/{{{gitRepoId}}}"
+
+{{/poetry1}}
+{{^poetry1}}
+[tool.poetry]
+requires-poetry = ">=2.0"
+{{/poetry1}}
 
+{{#poetry1}}
 [tool.poetry.dev-dependencies]
+{{/poetry1}}
+{{^poetry1}}
+[tool.poetry.group.dev.dependencies]
+{{/poetry1}}
 pytest = ">= 7.2.1"
 pytest-cov = ">= 2.8.1"
 tox = ">= 3.9.0"
diff --git a/samples/client/echo_api/python-disallowAdditionalPropertiesIfNotPresent/pyproject.toml b/samples/client/echo_api/python-disallowAdditionalPropertiesIfNotPresent/pyproject.toml
index 1ff108ea46c8..602a4bba01a1 100644
--- a/samples/client/echo_api/python-disallowAdditionalPropertiesIfNotPresent/pyproject.toml
+++ b/samples/client/echo_api/python-disallowAdditionalPropertiesIfNotPresent/pyproject.toml
@@ -1,23 +1,29 @@
-[tool.poetry]
+[project]
 name = "openapi_client"
 version = "1.0.0"
 description = "Echo Server API"
-authors = ["OpenAPI Generator Community <team@openapitools.org>"]
+authors = [
+  {name = "OpenAPI Generator Community",email = "team@openapitools.org"},
+]
 license = "Apache 2.0"
 readme = "README.md"
-repository = "https://github.com/GIT_USER_ID/GIT_REPO_ID"
 keywords = ["OpenAPI", "OpenAPI-Generator", "Echo Server API"]
-include = ["openapi_client/py.typed"]
+requires-python = "^3.9"
 
-[tool.poetry.dependencies]
-python = "^3.9"
+dependencies = [
+  "urllib3 (>=2.1.0,<3.0.0)",
+  "python-dateutil (>=2.8.2)",
+  "pydantic (>=2)",
+  "typing-extensions (>=4.7.1)"
+]
 
-urllib3 = ">= 2.1.0, < 3.0.0"
-python-dateutil = ">= 2.8.2"
-pydantic = ">= 2"
-typing-extensions = ">= 4.7.1"
+[project.urls]
+Repository = "https://github.com/GIT_USER_ID/GIT_REPO_ID"
+
+[tool.poetry]
+requires-poetry = ">=2.0"
 
-[tool.poetry.dev-dependencies]
+[tool.poetry.group.dev.dependencies]
 pytest = ">= 7.2.1"
 pytest-cov = ">= 2.8.1"
 tox = ">= 3.9.0"
diff --git a/samples/client/echo_api/python/pyproject.toml b/samples/client/echo_api/python/pyproject.toml
index 1ff108ea46c8..602a4bba01a1 100644
--- a/samples/client/echo_api/python/pyproject.toml
+++ b/samples/client/echo_api/python/pyproject.toml
@@ -1,23 +1,29 @@
-[tool.poetry]
+[project]
 name = "openapi_client"
 version = "1.0.0"
 description = "Echo Server API"
-authors = ["OpenAPI Generator Community <team@openapitools.org>"]
+authors = [
+  {name = "OpenAPI Generator Community",email = "team@openapitools.org"},
+]
 license = "Apache 2.0"
 readme = "README.md"
-repository = "https://github.com/GIT_USER_ID/GIT_REPO_ID"
 keywords = ["OpenAPI", "OpenAPI-Generator", "Echo Server API"]
-include = ["openapi_client/py.typed"]
+requires-python = "^3.9"
 
-[tool.poetry.dependencies]
-python = "^3.9"
+dependencies = [
+  "urllib3 (>=2.1.0,<3.0.0)",
+  "python-dateutil (>=2.8.2)",
+  "pydantic (>=2)",
+  "typing-extensions (>=4.7.1)"
+]
 
-urllib3 = ">= 2.1.0, < 3.0.0"
-python-dateutil = ">= 2.8.2"
-pydantic = ">= 2"
-typing-extensions = ">= 4.7.1"
+[project.urls]
+Repository = "https://github.com/GIT_USER_ID/GIT_REPO_ID"
+
+[tool.poetry]
+requires-poetry = ">=2.0"
 
-[tool.poetry.dev-dependencies]
+[tool.poetry.group.dev.dependencies]
 pytest = ">= 7.2.1"
 pytest-cov = ">= 2.8.1"
 tox = ">= 3.9.0"
diff --git a/samples/openapi3/client/petstore/python-aiohttp/pyproject.toml b/samples/openapi3/client/petstore/python-aiohttp/pyproject.toml
index 7af017bf4449..b19ccea78df0 100644
--- a/samples/openapi3/client/petstore/python-aiohttp/pyproject.toml
+++ b/samples/openapi3/client/petstore/python-aiohttp/pyproject.toml
@@ -1,27 +1,33 @@
-[tool.poetry]
+[project]
 name = "petstore_api"
 version = "1.0.0"
 description = "OpenAPI Petstore"
-authors = ["OpenAPI Generator Community <team@openapitools.org>"]
+authors = [
+  {name = "OpenAPI Generator Community",email = "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"]
-include = ["petstore_api/py.typed"]
+requires-python = "^3.9"
 
-[tool.poetry.dependencies]
-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)"
+]
 
-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"
+
+[tool.poetry]
+requires-poetry = ">=2.0"
 
-[tool.poetry.dev-dependencies]
+[tool.poetry.group.dev.dependencies]
 pytest = ">= 7.2.1"
 pytest-cov = ">= 2.8.1"
 tox = ">= 3.9.0"
diff --git a/samples/openapi3/client/petstore/python/pyproject.toml b/samples/openapi3/client/petstore/python/pyproject.toml
index 186674bcc8a7..fbf945b895c1 100644
--- a/samples/openapi3/client/petstore/python/pyproject.toml
+++ b/samples/openapi3/client/petstore/python/pyproject.toml
@@ -1,25 +1,31 @@
-[tool.poetry]
+[project]
 name = "petstore_api"
 version = "1.0.0"
 description = "OpenAPI Petstore"
-authors = ["OpenAPI Generator Community <team@openapitools.org>"]
+authors = [
+  {name = "OpenAPI Generator Community",email = "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"]
-include = ["petstore_api/py.typed"]
+requires-python = "^3.9"
 
-[tool.poetry.dependencies]
-python = "^3.9"
+dependencies = [
+  "urllib3 (>=2.1.0,<3.0.0)",
+  "python-dateutil (>=2.8.2)",
+  "pem (>=19.3.0)",
+  "pycryptodome (>=3.9.0)",
+  "pydantic (>=2)",
+  "typing-extensions (>=4.7.1)"
+]
 
-urllib3 = ">= 2.1.0, < 3.0.0"
-python-dateutil = ">= 2.8.2"
-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"
+
+[tool.poetry]
+requires-poetry = ">=2.0"
 
-[tool.poetry.dev-dependencies]
+[tool.poetry.group.dev.dependencies]
 pytest = ">= 7.2.1"
 pytest-cov = ">= 2.8.1"
 tox = ">= 3.9.0"