diff --git a/pkgs/development/python-modules/pystemmer/default.nix b/pkgs/development/python-modules/pystemmer/default.nix
index 39c0cfa07056..8e589b2a48ed 100644
--- a/pkgs/development/python-modules/pystemmer/default.nix
+++ b/pkgs/development/python-modules/pystemmer/default.nix
@@ -2,7 +2,6 @@
   lib,
   python,
   fetchFromGitHub,
-  fetchpatch2,
   buildPythonPackage,
   cython,
   setuptools,
@@ -11,7 +10,7 @@
 
 buildPythonPackage rec {
   pname = "pystemmer";
-  version = "2.2.0.1";
+  version = "3.0.0";
   format = "setuptools";
   pyproejct = true;
 
@@ -19,18 +18,9 @@ buildPythonPackage rec {
     owner = "snowballstem";
     repo = "pystemmer";
     tag = "v${version}";
-    hash = "sha256-ngPx95ybgJmndpNPBwCa3BCNsozRg+dlEw+nhlIwI58=";
+    hash = "sha256-c3ucbneUo5UBfdrd5Ktl4HriVusvWBEA1brrgahEQ9A=";
   };
 
-  patches = [
-    (fetchpatch2 {
-      # relax cython constraint
-      name = "pystemmer-relax-cython.patch";
-      url = "https://github.com/snowballstem/pystemmer/commit/d3d423dc877b4f49e0ab1776f7edaff37feb6799.patch";
-      hash = "sha256-9K6gy/cLFPfW82XYHVVPXUbQhf8XyB4NUi4YqNtyWcw=";
-    })
-  ];
-
   build-system = [
     cython
     setuptools