From d0ed6fb3ce0e6b6df25fdb9b5b8206b74e8f5a51 Mon Sep 17 00:00:00 2001
From: Bernardo Gomes <bgomesdeabreu@gmail.com>
Date: Wed, 21 Oct 2026 07:27:16 -0300
Subject: [PATCH 1/5] Modernize Python version support in python-pydantic-v1
 generator

---
 .../github-workflow.mustache                  |  2 +-
 .../python-pydantic-v1/gitlab-ci.mustache     | 19 ++++++++-----------
 .../python-pydantic-v1/pyproject.mustache     |  2 +-
 .../python-pydantic-v1/setup.mustache         |  2 +-
 .../python-pydantic-v1/travis.mustache        |  7 +++----
 .../.github/workflows/python.yml              |  2 +-
 .../python-pydantic-v1/.gitlab-ci.yml         | 19 ++++++++-----------
 .../echo_api/python-pydantic-v1/.travis.yml   |  7 +++----
 .../python-pydantic-v1/pyproject.toml         |  2 +-
 .../echo_api/python-pydantic-v1/setup.py      |  2 +-
 .../.github/workflows/python.yml              |  2 +-
 .../python-pydantic-v1-aiohttp/.gitlab-ci.yml | 19 ++++++++-----------
 .../python-pydantic-v1-aiohttp/.travis.yml    |  7 +++----
 .../python-pydantic-v1-aiohttp/pyproject.toml |  2 +-
 .../python-pydantic-v1-aiohttp/setup.py       |  2 +-
 .../.github/workflows/python.yml              |  2 +-
 .../python-pydantic-v1/.gitlab-ci.yml         | 19 ++++++++-----------
 .../petstore/python-pydantic-v1/.travis.yml   |  7 +++----
 .../python-pydantic-v1/pyproject.toml         |  2 +-
 .../petstore/python-pydantic-v1/setup.py      |  2 +-
 20 files changed, 56 insertions(+), 72 deletions(-)

diff --git a/modules/openapi-generator/src/main/resources/python-pydantic-v1/github-workflow.mustache b/modules/openapi-generator/src/main/resources/python-pydantic-v1/github-workflow.mustache
index d5320b3882fd..ea8b819740be 100644
--- a/modules/openapi-generator/src/main/resources/python-pydantic-v1/github-workflow.mustache
+++ b/modules/openapi-generator/src/main/resources/python-pydantic-v1/github-workflow.mustache
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.11", "3.12", "3.13", "3.14"]
 
     steps:
       - uses: actions/checkout@v4
diff --git a/modules/openapi-generator/src/main/resources/python-pydantic-v1/gitlab-ci.mustache b/modules/openapi-generator/src/main/resources/python-pydantic-v1/gitlab-ci.mustache
index 8a6130a2f7b9..ce4a9a1feb28 100644
--- a/modules/openapi-generator/src/main/resources/python-pydantic-v1/gitlab-ci.mustache
+++ b/modules/openapi-generator/src/main/resources/python-pydantic-v1/gitlab-ci.mustache
@@ -14,18 +14,15 @@ stages:
    - pip install -r test-requirements.txt
    - pytest --cov={{{packageName}}}
 
-pytest-3.7:
+pytest-3.11:
   extends: .pytest
-  image: python:3.7-alpine
-pytest-3.8:
+  image: python:3.11-alpine
+pytest-3.12:
   extends: .pytest
-  image: python:3.8-alpine
-pytest-3.9:
+  image: python:3.12-alpine
+pytest-3.13:
   extends: .pytest
-  image: python:3.9-alpine
-pytest-3.10:
+  image: python:3.13-alpine
+pytest-3.14:
   extends: .pytest
-  image: python:3.10-alpine
-pytest-3.11:
-  extends: .pytest
-  image: python:3.11-alpine
+  image: python:3.14-alpine
diff --git a/modules/openapi-generator/src/main/resources/python-pydantic-v1/pyproject.mustache b/modules/openapi-generator/src/main/resources/python-pydantic-v1/pyproject.mustache
index 4d300ce6f84d..1c039f8dba56 100644
--- a/modules/openapi-generator/src/main/resources/python-pydantic-v1/pyproject.mustache
+++ b/modules/openapi-generator/src/main/resources/python-pydantic-v1/pyproject.mustache
@@ -10,7 +10,7 @@ keywords = ["OpenAPI", "OpenAPI-Generator", "{{{appName}}}"]
 include = ["{{packageName}}/py.typed"]
 
 [tool.poetry.dependencies]
-python = "^3.8"
+python = ">=3.11"
 
 urllib3 = ">= 1.26.0"
 python-dateutil = ">=2.8.2"
diff --git a/modules/openapi-generator/src/main/resources/python-pydantic-v1/setup.mustache b/modules/openapi-generator/src/main/resources/python-pydantic-v1/setup.mustache
index 1960b0f5113c..466aea8dcf10 100644
--- a/modules/openapi-generator/src/main/resources/python-pydantic-v1/setup.mustache
+++ b/modules/openapi-generator/src/main/resources/python-pydantic-v1/setup.mustache
@@ -13,7 +13,7 @@ from setuptools import setup, find_packages  # noqa: H301
 # http://pypi.python.org/pypi/setuptools
 NAME = "{{{projectName}}}"
 VERSION = "{{packageVersion}}"
-PYTHON_REQUIRES = ">=3.7"
+PYTHON_REQUIRES = ">=3.11"
 {{#apiInfo}}
 {{#apis}}
 {{#-last}}
diff --git a/modules/openapi-generator/src/main/resources/python-pydantic-v1/travis.mustache b/modules/openapi-generator/src/main/resources/python-pydantic-v1/travis.mustache
index 53cb57e845dd..b51627caec93 100644
--- a/modules/openapi-generator/src/main/resources/python-pydantic-v1/travis.mustache
+++ b/modules/openapi-generator/src/main/resources/python-pydantic-v1/travis.mustache
@@ -1,11 +1,10 @@
 # ref: https://docs.travis-ci.com/user/languages/python
 language: python
 python:
-  - "3.7"
-  - "3.8"
-  - "3.9"
-  - "3.10"
   - "3.11"
+  - "3.12"
+  - "3.13"
+  - "3.14"
   # uncomment the following if needed
   #- "3.11-dev"  # 3.11 development branch
   #- "nightly"  # nightly build
diff --git a/samples/client/echo_api/python-pydantic-v1/.github/workflows/python.yml b/samples/client/echo_api/python-pydantic-v1/.github/workflows/python.yml
index 0502614225ab..2bdc53706531 100644
--- a/samples/client/echo_api/python-pydantic-v1/.github/workflows/python.yml
+++ b/samples/client/echo_api/python-pydantic-v1/.github/workflows/python.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.11", "3.12", "3.13", "3.14"]
 
     steps:
       - uses: actions/checkout@v4
diff --git a/samples/client/echo_api/python-pydantic-v1/.gitlab-ci.yml b/samples/client/echo_api/python-pydantic-v1/.gitlab-ci.yml
index 29da7211174d..e847da99fb55 100644
--- a/samples/client/echo_api/python-pydantic-v1/.gitlab-ci.yml
+++ b/samples/client/echo_api/python-pydantic-v1/.gitlab-ci.yml
@@ -14,18 +14,15 @@ stages:
    - pip install -r test-requirements.txt
    - pytest --cov=openapi_client
 
-pytest-3.7:
+pytest-3.11:
   extends: .pytest
-  image: python:3.7-alpine
-pytest-3.8:
+  image: python:3.11-alpine
+pytest-3.12:
   extends: .pytest
-  image: python:3.8-alpine
-pytest-3.9:
+  image: python:3.12-alpine
+pytest-3.13:
   extends: .pytest
-  image: python:3.9-alpine
-pytest-3.10:
+  image: python:3.13-alpine
+pytest-3.14:
   extends: .pytest
-  image: python:3.10-alpine
-pytest-3.11:
-  extends: .pytest
-  image: python:3.11-alpine
+  image: python:3.14-alpine
diff --git a/samples/client/echo_api/python-pydantic-v1/.travis.yml b/samples/client/echo_api/python-pydantic-v1/.travis.yml
index fd888f75d385..a97da4dd5aaa 100644
--- a/samples/client/echo_api/python-pydantic-v1/.travis.yml
+++ b/samples/client/echo_api/python-pydantic-v1/.travis.yml
@@ -1,11 +1,10 @@
 # ref: https://docs.travis-ci.com/user/languages/python
 language: python
 python:
-  - "3.7"
-  - "3.8"
-  - "3.9"
-  - "3.10"
   - "3.11"
+  - "3.12"
+  - "3.13"
+  - "3.14"
   # uncomment the following if needed
   #- "3.11-dev"  # 3.11 development branch
   #- "nightly"  # nightly build
diff --git a/samples/client/echo_api/python-pydantic-v1/pyproject.toml b/samples/client/echo_api/python-pydantic-v1/pyproject.toml
index ff54392bbebb..791c86a1b682 100644
--- a/samples/client/echo_api/python-pydantic-v1/pyproject.toml
+++ b/samples/client/echo_api/python-pydantic-v1/pyproject.toml
@@ -10,7 +10,7 @@ keywords = ["OpenAPI", "OpenAPI-Generator", "Echo Server API"]
 include = ["openapi_client/py.typed"]
 
 [tool.poetry.dependencies]
-python = "^3.8"
+python = ">=3.11"
 
 urllib3 = ">= 1.26.0"
 python-dateutil = ">=2.8.2"
diff --git a/samples/client/echo_api/python-pydantic-v1/setup.py b/samples/client/echo_api/python-pydantic-v1/setup.py
index 7551181347d1..498619d709fa 100644
--- a/samples/client/echo_api/python-pydantic-v1/setup.py
+++ b/samples/client/echo_api/python-pydantic-v1/setup.py
@@ -23,7 +23,7 @@
 # http://pypi.python.org/pypi/setuptools
 NAME = "openapi-client"
 VERSION = "1.0.0"
-PYTHON_REQUIRES = ">=3.7"
+PYTHON_REQUIRES = ">=3.11"
 REQUIRES = [
     "urllib3 >= 1.26.0, < 3.0.0",
     "python-dateutil",
diff --git a/samples/openapi3/client/petstore/python-pydantic-v1-aiohttp/.github/workflows/python.yml b/samples/openapi3/client/petstore/python-pydantic-v1-aiohttp/.github/workflows/python.yml
index 106b2306baf6..1998f28e8d74 100644
--- a/samples/openapi3/client/petstore/python-pydantic-v1-aiohttp/.github/workflows/python.yml
+++ b/samples/openapi3/client/petstore/python-pydantic-v1-aiohttp/.github/workflows/python.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.11", "3.12", "3.13", "3.14"]
 
     steps:
       - uses: actions/checkout@v4
diff --git a/samples/openapi3/client/petstore/python-pydantic-v1-aiohttp/.gitlab-ci.yml b/samples/openapi3/client/petstore/python-pydantic-v1-aiohttp/.gitlab-ci.yml
index b4719756536b..019d2b910926 100644
--- a/samples/openapi3/client/petstore/python-pydantic-v1-aiohttp/.gitlab-ci.yml
+++ b/samples/openapi3/client/petstore/python-pydantic-v1-aiohttp/.gitlab-ci.yml
@@ -14,18 +14,15 @@ stages:
    - pip install -r test-requirements.txt
    - pytest --cov=petstore_api
 
-pytest-3.7:
+pytest-3.11:
   extends: .pytest
-  image: python:3.7-alpine
-pytest-3.8:
+  image: python:3.11-alpine
+pytest-3.12:
   extends: .pytest
-  image: python:3.8-alpine
-pytest-3.9:
+  image: python:3.12-alpine
+pytest-3.13:
   extends: .pytest
-  image: python:3.9-alpine
-pytest-3.10:
+  image: python:3.13-alpine
+pytest-3.14:
   extends: .pytest
-  image: python:3.10-alpine
-pytest-3.11:
-  extends: .pytest
-  image: python:3.11-alpine
+  image: python:3.14-alpine
diff --git a/samples/openapi3/client/petstore/python-pydantic-v1-aiohttp/.travis.yml b/samples/openapi3/client/petstore/python-pydantic-v1-aiohttp/.travis.yml
index bb28138c5b1a..ac9aa3c4e50f 100644
--- a/samples/openapi3/client/petstore/python-pydantic-v1-aiohttp/.travis.yml
+++ b/samples/openapi3/client/petstore/python-pydantic-v1-aiohttp/.travis.yml
@@ -1,11 +1,10 @@
 # ref: https://docs.travis-ci.com/user/languages/python
 language: python
 python:
-  - "3.7"
-  - "3.8"
-  - "3.9"
-  - "3.10"
   - "3.11"
+  - "3.12"
+  - "3.13"
+  - "3.14"
   # uncomment the following if needed
   #- "3.11-dev"  # 3.11 development branch
   #- "nightly"  # nightly build
diff --git a/samples/openapi3/client/petstore/python-pydantic-v1-aiohttp/pyproject.toml b/samples/openapi3/client/petstore/python-pydantic-v1-aiohttp/pyproject.toml
index 99cb8cdef767..76dfc259f21b 100644
--- a/samples/openapi3/client/petstore/python-pydantic-v1-aiohttp/pyproject.toml
+++ b/samples/openapi3/client/petstore/python-pydantic-v1-aiohttp/pyproject.toml
@@ -10,7 +10,7 @@ keywords = ["OpenAPI", "OpenAPI-Generator", "OpenAPI Petstore"]
 include = ["petstore_api/py.typed"]
 
 [tool.poetry.dependencies]
-python = "^3.8"
+python = ">=3.11"
 
 urllib3 = ">= 1.26.0"
 python-dateutil = ">=2.8.2"
diff --git a/samples/openapi3/client/petstore/python-pydantic-v1-aiohttp/setup.py b/samples/openapi3/client/petstore/python-pydantic-v1-aiohttp/setup.py
index 3f90b0e52605..c8d809204cfc 100644
--- a/samples/openapi3/client/petstore/python-pydantic-v1-aiohttp/setup.py
+++ b/samples/openapi3/client/petstore/python-pydantic-v1-aiohttp/setup.py
@@ -22,7 +22,7 @@
 # http://pypi.python.org/pypi/setuptools
 NAME = "petstore-api"
 VERSION = "1.0.0"
-PYTHON_REQUIRES = ">=3.7"
+PYTHON_REQUIRES = ">=3.11"
 REQUIRES = [
     "urllib3 >= 1.26.0, < 3.0.0",
     "python-dateutil",
diff --git a/samples/openapi3/client/petstore/python-pydantic-v1/.github/workflows/python.yml b/samples/openapi3/client/petstore/python-pydantic-v1/.github/workflows/python.yml
index 106b2306baf6..1998f28e8d74 100644
--- a/samples/openapi3/client/petstore/python-pydantic-v1/.github/workflows/python.yml
+++ b/samples/openapi3/client/petstore/python-pydantic-v1/.github/workflows/python.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.11", "3.12", "3.13", "3.14"]
 
     steps:
       - uses: actions/checkout@v4
diff --git a/samples/openapi3/client/petstore/python-pydantic-v1/.gitlab-ci.yml b/samples/openapi3/client/petstore/python-pydantic-v1/.gitlab-ci.yml
index b4719756536b..019d2b910926 100644
--- a/samples/openapi3/client/petstore/python-pydantic-v1/.gitlab-ci.yml
+++ b/samples/openapi3/client/petstore/python-pydantic-v1/.gitlab-ci.yml
@@ -14,18 +14,15 @@ stages:
    - pip install -r test-requirements.txt
    - pytest --cov=petstore_api
 
-pytest-3.7:
+pytest-3.11:
   extends: .pytest
-  image: python:3.7-alpine
-pytest-3.8:
+  image: python:3.11-alpine
+pytest-3.12:
   extends: .pytest
-  image: python:3.8-alpine
-pytest-3.9:
+  image: python:3.12-alpine
+pytest-3.13:
   extends: .pytest
-  image: python:3.9-alpine
-pytest-3.10:
+  image: python:3.13-alpine
+pytest-3.14:
   extends: .pytest
-  image: python:3.10-alpine
-pytest-3.11:
-  extends: .pytest
-  image: python:3.11-alpine
+  image: python:3.14-alpine
diff --git a/samples/openapi3/client/petstore/python-pydantic-v1/.travis.yml b/samples/openapi3/client/petstore/python-pydantic-v1/.travis.yml
index bb28138c5b1a..ac9aa3c4e50f 100644
--- a/samples/openapi3/client/petstore/python-pydantic-v1/.travis.yml
+++ b/samples/openapi3/client/petstore/python-pydantic-v1/.travis.yml
@@ -1,11 +1,10 @@
 # ref: https://docs.travis-ci.com/user/languages/python
 language: python
 python:
-  - "3.7"
-  - "3.8"
-  - "3.9"
-  - "3.10"
   - "3.11"
+  - "3.12"
+  - "3.13"
+  - "3.14"
   # uncomment the following if needed
   #- "3.11-dev"  # 3.11 development branch
   #- "nightly"  # nightly build
diff --git a/samples/openapi3/client/petstore/python-pydantic-v1/pyproject.toml b/samples/openapi3/client/petstore/python-pydantic-v1/pyproject.toml
index 1065ebed888c..4c7fa27d27bc 100644
--- a/samples/openapi3/client/petstore/python-pydantic-v1/pyproject.toml
+++ b/samples/openapi3/client/petstore/python-pydantic-v1/pyproject.toml
@@ -10,7 +10,7 @@ keywords = ["OpenAPI", "OpenAPI-Generator", "OpenAPI Petstore"]
 include = ["petstore_api/py.typed"]
 
 [tool.poetry.dependencies]
-python = "^3.8"
+python = ">=3.11"
 
 urllib3 = ">= 1.26.0"
 python-dateutil = ">=2.8.2"
diff --git a/samples/openapi3/client/petstore/python-pydantic-v1/setup.py b/samples/openapi3/client/petstore/python-pydantic-v1/setup.py
index 40ca1c9a4bf6..3511ac396255 100644
--- a/samples/openapi3/client/petstore/python-pydantic-v1/setup.py
+++ b/samples/openapi3/client/petstore/python-pydantic-v1/setup.py
@@ -22,7 +22,7 @@
 # http://pypi.python.org/pypi/setuptools
 NAME = "petstore-api"
 VERSION = "1.0.0"
-PYTHON_REQUIRES = ">=3.7"
+PYTHON_REQUIRES = ">=3.11"
 REQUIRES = [
     "urllib3 >= 1.26.0, < 3.0.0",
     "python-dateutil",

From 0c5c86c2c3512a59fa32cb01288e394c7f908b09 Mon Sep 17 00:00:00 2001
From: Bernardo Gomes <bgomesdeabreu@gmail.com>
Date: Wed, 21 Oct 2026 09:02:28 -0300
Subject: [PATCH 2/5] python needs to python = >=3.11,<3.15

---
 .../src/main/resources/python-pydantic-v1/pyproject.mustache    | 2 +-
 samples/client/echo_api/python-pydantic-v1/pyproject.toml       | 2 +-
 .../client/petstore/python-pydantic-v1-aiohttp/pyproject.toml   | 2 +-
 .../openapi3/client/petstore/python-pydantic-v1/pyproject.toml  | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/modules/openapi-generator/src/main/resources/python-pydantic-v1/pyproject.mustache b/modules/openapi-generator/src/main/resources/python-pydantic-v1/pyproject.mustache
index 1c039f8dba56..555c6f81526b 100644
--- a/modules/openapi-generator/src/main/resources/python-pydantic-v1/pyproject.mustache
+++ b/modules/openapi-generator/src/main/resources/python-pydantic-v1/pyproject.mustache
@@ -10,7 +10,7 @@ keywords = ["OpenAPI", "OpenAPI-Generator", "{{{appName}}}"]
 include = ["{{packageName}}/py.typed"]
 
 [tool.poetry.dependencies]
-python = ">=3.11"
+python = ">=3.11,<3.15"
 
 urllib3 = ">= 1.26.0"
 python-dateutil = ">=2.8.2"
diff --git a/samples/client/echo_api/python-pydantic-v1/pyproject.toml b/samples/client/echo_api/python-pydantic-v1/pyproject.toml
index 791c86a1b682..84f5d7c84511 100644
--- a/samples/client/echo_api/python-pydantic-v1/pyproject.toml
+++ b/samples/client/echo_api/python-pydantic-v1/pyproject.toml
@@ -10,7 +10,7 @@ keywords = ["OpenAPI", "OpenAPI-Generator", "Echo Server API"]
 include = ["openapi_client/py.typed"]
 
 [tool.poetry.dependencies]
-python = ">=3.11"
+python = ">=3.11,<3.15"
 
 urllib3 = ">= 1.26.0"
 python-dateutil = ">=2.8.2"
diff --git a/samples/openapi3/client/petstore/python-pydantic-v1-aiohttp/pyproject.toml b/samples/openapi3/client/petstore/python-pydantic-v1-aiohttp/pyproject.toml
index 76dfc259f21b..bd324d2d4bc3 100644
--- a/samples/openapi3/client/petstore/python-pydantic-v1-aiohttp/pyproject.toml
+++ b/samples/openapi3/client/petstore/python-pydantic-v1-aiohttp/pyproject.toml
@@ -10,7 +10,7 @@ keywords = ["OpenAPI", "OpenAPI-Generator", "OpenAPI Petstore"]
 include = ["petstore_api/py.typed"]
 
 [tool.poetry.dependencies]
-python = ">=3.11"
+python = ">=3.11,<3.15"
 
 urllib3 = ">= 1.26.0"
 python-dateutil = ">=2.8.2"
diff --git a/samples/openapi3/client/petstore/python-pydantic-v1/pyproject.toml b/samples/openapi3/client/petstore/python-pydantic-v1/pyproject.toml
index 4c7fa27d27bc..8804af680534 100644
--- a/samples/openapi3/client/petstore/python-pydantic-v1/pyproject.toml
+++ b/samples/openapi3/client/petstore/python-pydantic-v1/pyproject.toml
@@ -10,7 +10,7 @@ keywords = ["OpenAPI", "OpenAPI-Generator", "OpenAPI Petstore"]
 include = ["petstore_api/py.typed"]
 
 [tool.poetry.dependencies]
-python = ">=3.11"
+python = ">=3.11,<3.15"
 
 urllib3 = ">= 1.26.0"
 python-dateutil = ">=2.8.2"

From 15cb94b7f6ca0fff4c0645520a29750e16d655e3 Mon Sep 17 00:00:00 2001
From: Bernardo Gomes <bgomesdeabreu@gmail.com>
Date: Wed, 21 Oct 2026 09:11:52 -0300
Subject: [PATCH 3/5] fix generator language version

---
 docs/generators/python-pydantic-v1.md                           | 2 +-
 .../codegen/languages/PythonPydanticV1ClientCodegen.java        | 2 +-
 samples/client/echo_api/python-pydantic-v1/README.md            | 2 +-
 .../client/petstore/python-pydantic-v1-aiohttp/README.md        | 2 +-
 samples/openapi3/client/petstore/python-pydantic-v1/README.md   | 2 +-
 5 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/docs/generators/python-pydantic-v1.md b/docs/generators/python-pydantic-v1.md
index eff68837b4cb..b5e7e4ea6f11 100644
--- a/docs/generators/python-pydantic-v1.md
+++ b/docs/generators/python-pydantic-v1.md
@@ -10,7 +10,7 @@ title: Documentation for the python-pydantic-v1 Generator
 | generator stability | STABLE | |
 | generator type | CLIENT | |
 | generator language | Python | |
-| generator language version | 3.7+ | |
+| generator language version | >=3.11,<3.15 | |
 | generator default templating engine | mustache | |
 | helpTxt | Generates a Python client library. | |
 
diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PythonPydanticV1ClientCodegen.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PythonPydanticV1ClientCodegen.java
index 6a233c528d54..9dbefe1c8e5e 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PythonPydanticV1ClientCodegen.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PythonPydanticV1ClientCodegen.java
@@ -440,7 +440,7 @@ public String generatePackageName(String packageName) {
 
     @Override
     public String generatorLanguageVersion() {
-        return "3.7+";
+        return ">=3.11,<3.15";
     }
 
     @Override
diff --git a/samples/client/echo_api/python-pydantic-v1/README.md b/samples/client/echo_api/python-pydantic-v1/README.md
index b3cb7882f56b..0e9a85707dae 100644
--- a/samples/client/echo_api/python-pydantic-v1/README.md
+++ b/samples/client/echo_api/python-pydantic-v1/README.md
@@ -10,7 +10,7 @@ This Python package is automatically generated by the [OpenAPI Generator](https:
 
 ## Requirements.
 
-Python 3.7+
+Python >=3.11,<3.15
 
 ## Installation & Usage
 ### pip install
diff --git a/samples/openapi3/client/petstore/python-pydantic-v1-aiohttp/README.md b/samples/openapi3/client/petstore/python-pydantic-v1-aiohttp/README.md
index 0cd9aaf473d5..5b431fab9cf1 100644
--- a/samples/openapi3/client/petstore/python-pydantic-v1-aiohttp/README.md
+++ b/samples/openapi3/client/petstore/python-pydantic-v1-aiohttp/README.md
@@ -10,7 +10,7 @@ This Python package is automatically generated by the [OpenAPI Generator](https:
 
 ## Requirements.
 
-Python 3.7+
+Python >=3.11,<3.15
 
 ## Installation & Usage
 ### pip install
diff --git a/samples/openapi3/client/petstore/python-pydantic-v1/README.md b/samples/openapi3/client/petstore/python-pydantic-v1/README.md
index b144cc3dc729..56fea3c5a91c 100644
--- a/samples/openapi3/client/petstore/python-pydantic-v1/README.md
+++ b/samples/openapi3/client/petstore/python-pydantic-v1/README.md
@@ -10,7 +10,7 @@ This Python package is automatically generated by the [OpenAPI Generator](https:
 
 ## Requirements.
 
-Python 3.7+
+Python >=3.11,<3.15
 
 ## Installation & Usage
 ### pip install

From 568d5ef97b2b6fbb0f4be22f1e2f9a4b66779900 Mon Sep 17 00:00:00 2001
From: Bernardo Gomes <bgomesdeabreu@gmail.com>
Date: Wed, 21 Oct 2026 09:28:53 -0300
Subject: [PATCH 4/5] improve setup python version

---
 .../src/main/resources/python-pydantic-v1/setup.mustache        | 2 +-
 samples/client/echo_api/python-pydantic-v1/setup.py             | 2 +-
 .../client/petstore/python-pydantic-v1-aiohttp/setup.py         | 2 +-
 samples/openapi3/client/petstore/python-pydantic-v1/setup.py    | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/modules/openapi-generator/src/main/resources/python-pydantic-v1/setup.mustache b/modules/openapi-generator/src/main/resources/python-pydantic-v1/setup.mustache
index 466aea8dcf10..37c4716f34a0 100644
--- a/modules/openapi-generator/src/main/resources/python-pydantic-v1/setup.mustache
+++ b/modules/openapi-generator/src/main/resources/python-pydantic-v1/setup.mustache
@@ -13,7 +13,7 @@ from setuptools import setup, find_packages  # noqa: H301
 # http://pypi.python.org/pypi/setuptools
 NAME = "{{{projectName}}}"
 VERSION = "{{packageVersion}}"
-PYTHON_REQUIRES = ">=3.11"
+PYTHON_REQUIRES = ">=3.14,<3.15"
 {{#apiInfo}}
 {{#apis}}
 {{#-last}}
diff --git a/samples/client/echo_api/python-pydantic-v1/setup.py b/samples/client/echo_api/python-pydantic-v1/setup.py
index 498619d709fa..e8dad677d9a2 100644
--- a/samples/client/echo_api/python-pydantic-v1/setup.py
+++ b/samples/client/echo_api/python-pydantic-v1/setup.py
@@ -23,7 +23,7 @@
 # http://pypi.python.org/pypi/setuptools
 NAME = "openapi-client"
 VERSION = "1.0.0"
-PYTHON_REQUIRES = ">=3.11"
+PYTHON_REQUIRES = ">=3.14,<3.15"
 REQUIRES = [
     "urllib3 >= 1.26.0, < 3.0.0",
     "python-dateutil",
diff --git a/samples/openapi3/client/petstore/python-pydantic-v1-aiohttp/setup.py b/samples/openapi3/client/petstore/python-pydantic-v1-aiohttp/setup.py
index c8d809204cfc..aa6f010976b3 100644
--- a/samples/openapi3/client/petstore/python-pydantic-v1-aiohttp/setup.py
+++ b/samples/openapi3/client/petstore/python-pydantic-v1-aiohttp/setup.py
@@ -22,7 +22,7 @@
 # http://pypi.python.org/pypi/setuptools
 NAME = "petstore-api"
 VERSION = "1.0.0"
-PYTHON_REQUIRES = ">=3.11"
+PYTHON_REQUIRES = ">=3.14,<3.15"
 REQUIRES = [
     "urllib3 >= 1.26.0, < 3.0.0",
     "python-dateutil",
diff --git a/samples/openapi3/client/petstore/python-pydantic-v1/setup.py b/samples/openapi3/client/petstore/python-pydantic-v1/setup.py
index 3511ac396255..5ec38d8dafce 100644
--- a/samples/openapi3/client/petstore/python-pydantic-v1/setup.py
+++ b/samples/openapi3/client/petstore/python-pydantic-v1/setup.py
@@ -22,7 +22,7 @@
 # http://pypi.python.org/pypi/setuptools
 NAME = "petstore-api"
 VERSION = "1.0.0"
-PYTHON_REQUIRES = ">=3.11"
+PYTHON_REQUIRES = ">=3.14,<3.15"
 REQUIRES = [
     "urllib3 >= 1.26.0, < 3.0.0",
     "python-dateutil",

From 60f8fd6a917c0da76d5139f64f223857e3d87624 Mon Sep 17 00:00:00 2001
From: Bernardo Gomes <bgomesdeabreu@gmail.com>
Date: Wed, 21 Oct 2026 09:29:06 -0300
Subject: [PATCH 5/5] fix travis.yml

---
 .../src/main/resources/python-pydantic-v1/travis.mustache       | 2 +-
 samples/client/echo_api/python-pydantic-v1/.travis.yml          | 2 +-
 .../client/petstore/python-pydantic-v1-aiohttp/.travis.yml      | 2 +-
 samples/openapi3/client/petstore/python-pydantic-v1/.travis.yml | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/modules/openapi-generator/src/main/resources/python-pydantic-v1/travis.mustache b/modules/openapi-generator/src/main/resources/python-pydantic-v1/travis.mustache
index b51627caec93..d460567059b4 100644
--- a/modules/openapi-generator/src/main/resources/python-pydantic-v1/travis.mustache
+++ b/modules/openapi-generator/src/main/resources/python-pydantic-v1/travis.mustache
@@ -6,7 +6,7 @@ python:
   - "3.13"
   - "3.14"
   # uncomment the following if needed
-  #- "3.11-dev"  # 3.11 development branch
+  #- "3.14-dev"  # 3.14 development branch
   #- "nightly"  # nightly build
 # command to install dependencies
 install:
diff --git a/samples/client/echo_api/python-pydantic-v1/.travis.yml b/samples/client/echo_api/python-pydantic-v1/.travis.yml
index a97da4dd5aaa..d4af299e236f 100644
--- a/samples/client/echo_api/python-pydantic-v1/.travis.yml
+++ b/samples/client/echo_api/python-pydantic-v1/.travis.yml
@@ -6,7 +6,7 @@ python:
   - "3.13"
   - "3.14"
   # uncomment the following if needed
-  #- "3.11-dev"  # 3.11 development branch
+  #- "3.14-dev"  # 3.14 development branch
   #- "nightly"  # nightly build
 # command to install dependencies
 install:
diff --git a/samples/openapi3/client/petstore/python-pydantic-v1-aiohttp/.travis.yml b/samples/openapi3/client/petstore/python-pydantic-v1-aiohttp/.travis.yml
index ac9aa3c4e50f..98557b02a2f7 100644
--- a/samples/openapi3/client/petstore/python-pydantic-v1-aiohttp/.travis.yml
+++ b/samples/openapi3/client/petstore/python-pydantic-v1-aiohttp/.travis.yml
@@ -6,7 +6,7 @@ python:
   - "3.13"
   - "3.14"
   # uncomment the following if needed
-  #- "3.11-dev"  # 3.11 development branch
+  #- "3.14-dev"  # 3.14 development branch
   #- "nightly"  # nightly build
 # command to install dependencies
 install:
diff --git a/samples/openapi3/client/petstore/python-pydantic-v1/.travis.yml b/samples/openapi3/client/petstore/python-pydantic-v1/.travis.yml
index ac9aa3c4e50f..98557b02a2f7 100644
--- a/samples/openapi3/client/petstore/python-pydantic-v1/.travis.yml
+++ b/samples/openapi3/client/petstore/python-pydantic-v1/.travis.yml
@@ -6,7 +6,7 @@ python:
   - "3.13"
   - "3.14"
   # uncomment the following if needed
-  #- "3.11-dev"  # 3.11 development branch
+  #- "3.14-dev"  # 3.14 development branch
   #- "nightly"  # nightly build
 # command to install dependencies
 install: