diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index 42916ecf5..f09857260 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -17,7 +17,7 @@ jobs:
 
     strategy:
       matrix:
-        python-version: ["3.10", "3.11", "3.12", "3.13", "3.14"]
+        python-version: ["3.11", "3.12", "3.13", "3.14", "3.15"]
 
     steps:
     - uses: actions/checkout@v7
diff --git a/gns3server/agent/web_wireshark/docker_client.py b/gns3server/agent/web_wireshark/docker_client.py
index 00f62edd2..3fcbf0368 100644
--- a/gns3server/agent/web_wireshark/docker_client.py
+++ b/gns3server/agent/web_wireshark/docker_client.py
@@ -28,11 +28,8 @@ from typing import Any
 
 import aiohttp
 
-if sys.version_info >= (3, 11):
-    from asyncio import timeout as async_timeout
-else:
-    from async_timeout import timeout as async_timeout
 
+from asyncio import timeout as async_timeout
 from gns3server.utils import parse_version
 
 logger = logging.getLogger(__name__)
diff --git a/gns3server/compute/base_node.py b/gns3server/compute/base_node.py
index 033ef96d9..13458aef4 100644
--- a/gns3server/compute/base_node.py
+++ b/gns3server/compute/base_node.py
@@ -671,11 +671,7 @@ class BaseNode:
                 )
 
         # keep forwarding websocket data in both direction
-        if sys.version_info >= (3, 11, 0):
-            # Starting with Python 3.11, passing coroutine objects to wait() directly is forbidden.
-            aws = [asyncio.create_task(ws_forward(telnet_writer)), asyncio.create_task(telnet_forward(telnet_reader))]
-        else:
-            aws = [ws_forward(telnet_writer), telnet_forward(telnet_reader)]
+        aws = [asyncio.create_task(ws_forward(telnet_writer)), asyncio.create_task(telnet_forward(telnet_reader))]
 
         done, pending = await asyncio.wait(aws, return_when=asyncio.FIRST_COMPLETED)
         for task in done:
@@ -762,11 +758,7 @@ class BaseNode:
                 log.warning(f"Exception while forwarding VNC data to WebSocket: {e!r}")
 
         # Keep forwarding WebSocket data in both directions
-        if sys.version_info >= (3, 11, 0):
-            # Starting with Python 3.11, passing coroutine objects to wait() directly is forbidden.
-            aws = [asyncio.create_task(ws_forward(vnc_writer)), asyncio.create_task(vnc_forward(vnc_reader))]
-        else:
-            aws = [ws_forward(vnc_writer), vnc_forward(vnc_reader)]
+        aws = [asyncio.create_task(ws_forward(vnc_writer)), asyncio.create_task(vnc_forward(vnc_reader))]
 
         done, pending = await asyncio.wait(aws, return_when=asyncio.FIRST_COMPLETED)
         for task in done:
diff --git a/gns3server/controller/compute.py b/gns3server/controller/compute.py
index 1b3b65e38..2b4658c37 100644
--- a/gns3server/controller/compute.py
+++ b/gns3server/controller/compute.py
@@ -25,10 +25,7 @@ import sys
 import aiohttp
 from fastapi import HTTPException
 
-if sys.version_info >= (3, 11):
-    from asyncio import timeout as asynctimeout
-else:
-    from async_timeout import timeout as asynctimeout
+from asyncio import timeout as asynctimeout
 
 import logging
 
diff --git a/gns3server/server.py b/gns3server/server.py
index 3ec16e456..099696f55 100644
--- a/gns3server/server.py
+++ b/gns3server/server.py
@@ -255,9 +255,9 @@ class Server:
         else:
             log.info(f"Compute authentication is enabled with username '{config.Server.compute_username}'")
 
-        # we only support Python 3 version >= 3.9
-        if sys.version_info < (3, 9, 0):
-            raise SystemExit("Python 3.9 or higher is required")
+        # we only support Python 3 version >= 3.11
+        if sys.version_info < (3, 11, 0):
+            raise SystemExit("Python 3.11 or higher is required")
 
         log.info(
             f"Running with Python {sys.version_info[0]}.{sys.version_info[1]}.{sys.version_info[2]} and has PID {os.getpid()}"
diff --git a/pyproject.toml b/pyproject.toml
index ef7b82573..eda392946 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,13 +4,13 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "gns3-server"
-description = "GNS3 graphical interface for the GNS3 server."
+description = "GNS3 server (controller and compute) for GNS3 network simulator"
 license-files = ["LICENSE"]
 authors = [
   { name = "Jeremy Grossmann", email = "developers@gns3.com" }
 ]
 readme = "README.md"
-requires-python = ">=3.10"
+requires-python = ">=3.11"
 classifiers = [
         "Development Status :: 5 - Production/Stable",
         "Environment :: Console",
@@ -21,10 +21,11 @@ classifiers = [
         "Natural Language :: English",
         "Operating System :: POSIX :: Linux",
         "Programming Language :: Python :: 3 :: Only",
-        "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
         "Programming Language :: Python :: 3.12",
         "Programming Language :: Python :: 3.13",
+        "Programming Language :: Python :: 3.14",
+        "Programming Language :: Python :: 3.15",
         "Programming Language :: Python :: Implementation :: CPython"
 ]
 
@@ -58,7 +59,7 @@ packages = ["gns3server"]
 
 
 [tool.ruff]
-target-version = "py310"
+target-version = "py311"
 line-length = 120
 extend-exclude = [
     "*.md",