diff --git a/pkgs/development/python-modules/sanic/default.nix b/pkgs/development/python-modules/sanic/default.nix
index 5f610f6feab0..cc7be4c93dc6 100644
--- a/pkgs/development/python-modules/sanic/default.nix
+++ b/pkgs/development/python-modules/sanic/default.nix
@@ -1,24 +1,52 @@
-{ lib, buildPythonPackage, fetchPypi, doCheck ? true
-, aiofiles, httptools, multidict, sanic-routing, ujson, uvloop, websockets
-, pytestCheckHook, beautifulsoup4, gunicorn, uvicorn, sanic-testing
-, pytest-benchmark, pytest-sanic, pytest-sugar, pytestcov
+{ lib
+, aiofiles
+, beautifulsoup4
+, buildPythonPackage
+, doCheck ? true
+, fetchFromGitHub
+, fetchpatch
+, gunicorn
+, httptools
+, multidict
+, pytest-asyncio
+, pytest-benchmark
+, pytest-sanic
+, pytest-sugar
+, pytestCheckHook
+, sanic-routing
+, sanic-testing
+, ujson
+, uvicorn
+, uvloop
+, websockets
 }:
 
 buildPythonPackage rec {
   pname = "sanic";
   version = "21.3.4";
 
-  src = fetchPypi {
-    inherit pname version;
-    sha256 = "1cbd12b9138b3ca69656286b0be91fff02b826e8cb72dd76a2ca8c5eb1288d8e";
+  src = fetchFromGitHub {
+    owner = "sanic-org";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "0vldlic8gqcf56fqb31igycqf11syd9csk66v34w6dim54lcny2b";
   };
 
+  patches = [
+    # Allow later websockets release, https://github.com/sanic-org/sanic/pull/2154
+    (fetchpatch {
+      name = "later-websockets.patch";
+      url = "https://github.com/sanic-org/sanic/commit/5fb820b5c1ce395e86a1ee11996790c65ec7bc65.patch";
+      sha256 = "1glvq23pf1sxqjnrz0w8rr7nsnyz82k1479b3rm8szfkjg9q5d1w";
+    })
+  ];
+
   postPatch = ''
     # Loosen dependency requirements.
     substituteInPlace setup.py \
       --replace '"pytest==5.2.1"' '"pytest"' \
       --replace '"gunicorn==20.0.4"' '"gunicorn"' \
-      --replace '"pytest-sanic",' ""
+      --replace '"pytest-sanic",' "" \
     # Patch a request headers test to allow brotli encoding
     # (we build httpx with brotli support, upstream doesn't).
     substituteInPlace tests/test_headers.py \
@@ -26,25 +54,36 @@ buildPythonPackage rec {
   '';
 
   propagatedBuildInputs = [
-    sanic-routing httptools uvloop ujson aiofiles websockets multidict
+    aiofiles
+    httptools
+    multidict
+    sanic-routing
+    ujson
+    uvloop
+    websockets
   ];
 
   checkInputs = [
-    sanic-testing gunicorn pytestcov beautifulsoup4 pytest-sanic pytest-sugar
-    pytest-benchmark pytestCheckHook uvicorn
+    beautifulsoup4
+    gunicorn
+    pytest-asyncio
+    pytest-benchmark
+    pytest-sanic
+    pytest-sugar
+    pytestCheckHook
+    sanic-testing
+    uvicorn
   ];
 
   inherit doCheck;
 
   disabledTests = [
-    # No "examples" directory in pypi distribution
-    "test_gunicorn"
-    "test_zero_downtime"
-    # flaky
+    # Tests are flaky
     "test_keep_alive_client_timeout"
     "test_check_timeouts_request_timeout"
     "test_check_timeouts_response_timeout"
     "test_reloader_live"
+    "test_zero_downtime"
   ];
 
   __darwinAllowLocalNetworking = true;
@@ -52,7 +91,7 @@ buildPythonPackage rec {
   pythonImportsCheck = [ "sanic" ];
 
   meta = with lib; {
-    description = "A microframework based on uvloop, httptools, and learnings of flask";
+    description = "Web server and web framework";
     homepage = "https://github.com/sanic-org/sanic/";
     license = licenses.mit;
     maintainers = with maintainers; [ costrouc AluisioASG ];