diff --git a/gns3server/run.py b/gns3server/run.py
index 32467d45a..c58bd6e92 100644
--- a/gns3server/run.py
+++ b/gns3server/run.py
@@ -235,9 +235,9 @@ def run():
             return
         log.info("HTTP authentication is enabled with username '{}'".format(user))
 
-    # we only support Python 3 version >= 3.8
-    if sys.version_info < (3, 8, 0):
-        raise SystemExit("Python 3.8 or higher is required")
+    # we only support Python 3 version >= 3.9
+    if sys.version_info < (3, 9, 0):
+        raise SystemExit("Python 3.9 or higher is required")
 
     user_log.info("Running with Python {major}.{minor}.{micro} and has PID {pid}".format(major=sys.version_info[0], minor=sys.version_info[1],
                                                                                          micro=sys.version_info[2], pid=os.getpid()))
diff --git a/gns3server/utils/asyncio/__init__.py b/gns3server/utils/asyncio/__init__.py
index efc32d066..7e464373c 100644
--- a/gns3server/utils/asyncio/__init__.py
+++ b/gns3server/utils/asyncio/__init__.py
@@ -91,25 +91,16 @@ async def wait_for_process_termination(process, timeout=10):
     In theory this can be implemented by just:
     await asyncio.wait_for(self._iou_process.wait(), timeout=100)
 
-    But it's broken before Python 3.4:
-    http://bugs.python.org/issue23140
-
     :param process: An asyncio subprocess
     :param timeout: Timeout in seconds
     """
 
-    if sys.version_info >= (3, 5):
-        try:
-            await asyncio.wait_for(process.wait(), timeout=timeout)
-        except ProcessLookupError:
+    while timeout > 0:
+        if process.returncode is not None:
             return
-    else:
-        while timeout > 0:
-            if process.returncode is not None:
-                return
-            await asyncio.sleep(0.1)
-            timeout -= 0.1
-        raise asyncio.TimeoutError()
+        await asyncio.sleep(0.1)
+        timeout -= 0.1
+    raise asyncio.TimeoutError()
 
 
 async def _check_process(process, termination_callback):
diff --git a/gns3server/utils/asyncio/pool.py b/gns3server/utils/asyncio/pool.py
index 22750eadf..444863295 100644
--- a/gns3server/utils/asyncio/pool.py
+++ b/gns3server/utils/asyncio/pool.py
@@ -40,10 +40,7 @@ class Pool():
         while len(self._tasks) > 0 or len(pending) > 0:
             while len(self._tasks) > 0 and len(pending) < self._concurrency:
                 task, args, kwargs = self._tasks.pop(0)
-                if sys.version_info >= (3, 7):
-                    t = asyncio.create_task(task(*args, **kwargs))
-                else:
-                    t = asyncio.get_event_loop().create_task(task(*args, **kwargs))
+                t = asyncio.create_task(task(*args, **kwargs))
                 pending.add(t)
             (done, pending) = await asyncio.wait(pending, return_when=asyncio.FIRST_COMPLETED)
             for task in done:
diff --git a/setup.py b/setup.py
index 5685ce694..2cc398f69 100644
--- a/setup.py
+++ b/setup.py
@@ -21,8 +21,8 @@ from setuptools import setup, find_packages
 from setuptools.command.test import test as TestCommand
 
 # we only support Python 3 version >= 3.8
-if len(sys.argv) >= 2 and sys.argv[1] == "install" and sys.version_info < (3, 8):
-    raise SystemExit("Python 3.8 or higher is required")
+if len(sys.argv) >= 2 and sys.argv[1] == "install" and sys.version_info < (3, 9):
+    raise SystemExit("Python 3.9 or higher is required")
 
 
 class PyTest(TestCommand):
@@ -78,7 +78,6 @@ setup(
         "Operating System :: Microsoft :: Windows",
         "Programming Language :: Python",
         "Programming Language :: Python :: 3 :: Only",
-        "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",