diff --git a/artiq/protocols/logging.py b/artiq/protocols/logging.py
index e69f76223..e8fa71e66 100644
--- a/artiq/protocols/logging.py
+++ b/artiq/protocols/logging.py
@@ -2,7 +2,7 @@ import asyncio
 import logging
 
 from artiq.protocols.asyncio_server import AsyncioServer
-from artiq.tools import TaskObject, workaround_asyncio263
+from artiq.tools import TaskObject
 
 
 logger = logging.getLogger(__name__)
@@ -123,7 +123,6 @@ class LogForwarder(logging.Handler, TaskObject):
                 while True:
                     message = await self._queue.get() + "\n"
                     writer.write(message.encode())
-                    await workaround_asyncio263()
                     await writer.drain()
             except asyncio.CancelledError:
                 return
diff --git a/artiq/protocols/sync_struct.py b/artiq/protocols/sync_struct.py
index 5c82ffa07..c80555837 100644
--- a/artiq/protocols/sync_struct.py
+++ b/artiq/protocols/sync_struct.py
@@ -16,7 +16,6 @@ from functools import partial
 
 from artiq.protocols import pyon
 from artiq.protocols.asyncio_server import AsyncioServer
-from artiq.tools import workaround_asyncio263
 
 
 _init_string = b"ARTIQ sync_struct\n"
@@ -233,7 +232,6 @@ class Publisher(AsyncioServer):
                     line = await queue.get()
                     writer.write(line)
                     # raise exception on connection error
-                    await workaround_asyncio263()
                     await writer.drain()
             finally:
                 self._recipients[notifier_name].remove(queue)
diff --git a/artiq/tools.py b/artiq/tools.py
index f1167ab39..445399a1b 100644
--- a/artiq/tools.py
+++ b/artiq/tools.py
@@ -19,7 +19,7 @@ from artiq.protocols import pyon
 __all__ = ["artiq_dir", "parse_arguments", "elide", "short_format", "file_import",
            "get_experiment", "verbosity_args", "simple_network_args", "init_logger",
            "atexit_register_coroutine", "exc_to_warning", "asyncio_wait_or_cancel",
-           "TaskObject", "Condition", "workaround_asyncio263", "get_windows_drives"]
+           "TaskObject", "Condition", "get_windows_drives"]
 
 
 logger = logging.getLogger(__name__)
@@ -195,12 +195,6 @@ class Condition:
                 fut.set_result(False)
 
 
-# See: https://github.com/python/asyncio/issues/263
-@asyncio.coroutine
-def workaround_asyncio263():
-    yield
-
-
 def get_windows_drives():
     from ctypes import windll
 
diff --git a/conda/artiq/meta.yaml b/conda/artiq/meta.yaml
index 736a4dc26..1a9e6a19d 100644
--- a/conda/artiq/meta.yaml
+++ b/conda/artiq/meta.yaml
@@ -29,13 +29,13 @@ build:
 
 requirements:
   build:
-    - python >=3.5.0
+    - python >=3.5.1
     - setuptools
     - numpy
     - pyelftools
     - binutils-or1k-linux
   run:
-    - python >=3.5.0
+    - python >=3.5.1
     - llvmlite-artiq
     - scipy
     - numpy
diff --git a/setup.py b/setup.py
index ab64daa6f..a28fa8e78 100755
--- a/setup.py
+++ b/setup.py
@@ -7,8 +7,8 @@ import os
 import versioneer
 
 
-if sys.version_info[:3] < (3, 5, 0):
-    raise Exception("You need Python 3.5.0+")
+if sys.version_info[:3] < (3, 5, 1):
+    raise Exception("You need Python 3.5.1+")
 
 
 requirements = [