diff --git a/.gitignore b/.gitignore
index a4f3663..7e9466a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,4 @@
 /websockets-3.2.tar.gz
 /websockets-3.3.tar.gz
 /websockets-3.4.tar.gz
+/websockets-4.0.1.tar.gz
diff --git a/python-websockets.spec b/python-websockets.spec
index 56ecc3f..a69d054 100644
--- a/python-websockets.spec
+++ b/python-websockets.spec
@@ -1,13 +1,13 @@
 %global pypi_name websockets
 
 Name:           python-%{pypi_name}
-Version:        3.4
-Release:        2%{?dist}
+Version:        4.0.1
+Release:        1%{?dist}
 Summary:        An implementation of the WebSocket Protocol for python with asyncio
 
 License:        BSD
 URL:            https://pypi.python.org/pypi/%{pypi_name}
-Source0:        https://pypi.python.org/packages/4a/e8/acf36f117deeb18c0b6679624fa11b57b0876044f0ce3f34024c3a7b2d95/websockets-3.4.tar.gz
+Source0:        https://files.pythonhosted.org/packages/b6/12/6194aac840c65253e45a38912e318f9ac548f9ba86d75bdb8fe66841b335/websockets-4.0.1.tar.gz
 # Not reliable on koji on some arch (eg arm and ppc)
 Patch0:         remove-tests-with-timeouts.patch
 
@@ -46,7 +46,7 @@ It requires Python ≥ 3.4 or Python 3.3 with the asyncio module.
 %setup -qn %{pypi_name}-%{version}
 # Remove upstream's egg-info
 rm -rf %{pypi_name}.egg-info
-%patch0 -p1
+# %%patch0 -p1
 
 
 %build
@@ -55,10 +55,12 @@ rm -rf %{pypi_name}.egg-info
 
 %install
 %py3_install
+# Remove installed C file
+rm %{buildroot}/%{python3_sitearch}/%{pypi_name}/speedups.c
 
 
 %check
-%{__python3} setup.py test
+WEBSOCKETS_TESTS_TIMEOUT_FACTOR=20 %{__python3} setup.py test
 
 
 %files -n python3-%{pypi_name}
@@ -69,6 +71,9 @@ rm -rf %{pypi_name}.egg-info
 
 
 %changelog
+* Mon Nov 06 2017 Julien Enselme <jujens@jujens.eu> - 4.0.1-1
+- Update to 4.0.1
+
 * Mon Aug 21 2017 Julien Enselme <jujens@jujens.eu> - 3.4-2
 - Remove tests with timeouts
 
diff --git a/sources b/sources
index 14b0f5a..f5c3b09 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (websockets-3.4.tar.gz) = 24aacdbd2c9c1bad877d4bf37e45d7a32534d9a33a2bfea27dd8ddb16734dbd685317250c6564b237b86d75bc692fb798c61a7bb9391e693fbe1c00335fd472d
+SHA512 (websockets-4.0.1.tar.gz) = a60a453f33f1005c7ec7cee10f6ba6cca18628306de51872ad5a910f12f39831049f3a67ff4c3cc62efce47ce030b9e9d075d4418e8da2dcc594b8824ce21dfb