diff --git a/pkgs/development/python-modules/websockets/default.nix b/pkgs/development/python-modules/websockets/default.nix
index 907024735afb..59b1e02d771f 100644
--- a/pkgs/development/python-modules/websockets/default.nix
+++ b/pkgs/development/python-modules/websockets/default.nix
@@ -10,19 +10,19 @@
 
 buildPythonPackage rec {
   pname = "websockets";
-  version = "12.0";
+  version = "13.1";
   pyproject = true;
 
-  disabled = pythonOlder "3.7";
+  disabled = pythonOlder "3.9";
 
   src = fetchFromGitHub {
     owner = "aaugustin";
-    repo = pname;
+    repo = "websockets";
     rev = "refs/tags/${version}";
-    hash = "sha256-sOL3VI9Ib/PncZs5KN4dAIHOrBc7LfXqT15LO4M6qKg=";
+    hash = "sha256-Y0HDZw+H7l8+ywLLzFk66GNDCI0uWOZYypG86ozLo7c=";
   };
 
-  nativeBuildInputs = [ setuptools ];
+  build-system = [ setuptools ];
 
   patchPhase = ''
     # Disable all tests that need to terminate within a predetermined amount of
@@ -47,6 +47,11 @@ buildPythonPackage rec {
 
   nativeCheckInputs = [ unittestCheckHook ];
 
+  preCheck = ''
+    # https://github.com/python-websockets/websockets/issues/1509
+    export WEBSOCKETS_TESTS_TIMEOUT_FACTOR=100
+  '';
+
   # Tests fail on Darwin with `OSError: AF_UNIX path too long`
   doCheck = !stdenv.hostPlatform.isDarwin;