diff --git a/pkgs/development/python-modules/approvaltests/default.nix b/pkgs/development/python-modules/approvaltests/default.nix
index 9c7cab503834..9898dffe82ab 100644
--- a/pkgs/development/python-modules/approvaltests/default.nix
+++ b/pkgs/development/python-modules/approvaltests/default.nix
@@ -5,7 +5,6 @@
 , buildPythonPackage
 , empty-files
 , fetchFromGitHub
-, fetchpatch2
 , mock
 , mrjob
 , numpy
@@ -21,7 +20,7 @@
 
 buildPythonPackage rec {
   pname = "approvaltests";
-  version = "11.1.3";
+  version = "11.2.1";
   pyproject = true;
 
   disabled = pythonOlder "3.8";
@@ -30,16 +29,9 @@ buildPythonPackage rec {
     owner = "approvals";
     repo = "ApprovalTests.Python";
     rev = "refs/tags/v${version}";
-    hash = "sha256-VqE2Oj3b+ZfKT+fhJ9DxBClfa8Wz8w/puAnAotN3eG4=";
+    hash = "sha256-oG1TH9F8IYDZWLuL2TIesNuZQVzGQRqkGk502HTG+O8=";
   };
 
-  patches = [
-    (fetchpatch2 {
-      url = "https://github.com/approvals/ApprovalTests.Python/commit/dac7c8a8aa62f31dca7a687d4dbf08158351d5e1.patch";
-      hash = "sha256-TMyfXNtzpGci6tdFRhxiKJRjCWRD5LkaffPY8EVj53E=";
-    })
-  ];
-
   build-system = [
     setuptools
   ];