diff --git a/pkgs/development/python-modules/pytest-isort/default.nix b/pkgs/development/python-modules/pytest-isort/default.nix
index 562e77d8554d..b6b27222ffff 100644
--- a/pkgs/development/python-modules/pytest-isort/default.nix
+++ b/pkgs/development/python-modules/pytest-isort/default.nix
@@ -1,7 +1,6 @@
 { lib
 , buildPythonPackage
 , fetchFromGitHub
-, fetchpatch
 , importlib-metadata
 , isort
 , poetry-core
@@ -12,7 +11,7 @@
 
 buildPythonPackage rec {
   pname = "pytest-isort";
-  version = "3.0.0";
+  version = "3.1.0";
   format = "pyproject";
 
   disabled = pythonOlder "3.7";
@@ -21,7 +20,7 @@ buildPythonPackage rec {
     owner = "stephrdev";
     repo = pname;
     rev = "refs/tags/${version}";
-    hash = "sha256-gbEO3HBDeZ+nUACzpeV6iVuCdNHS5956wFzIYkbam+M=";
+    hash = "sha256-1oCVIi0sXwac4AufScJJRsfvBwaBAwlMBRNqLcUXEh4=";
   };
 
   nativeBuildInputs = [
@@ -42,15 +41,6 @@ buildPythonPackage rec {
     pytestCheckHook
   ];
 
-  patches = [
-    # Can be removed with the next release, https://github.com/stephrdev/pytest-isort/pull/44
-    (fetchpatch {
-      name = "switch-to-poetry-core.patch";
-      url = "https://github.com/stephrdev/pytest-isort/commit/f17ed2d294ae90e415d051e1c720982e3dd01bff.patch";
-      sha256 = "sha256-PiOs0c61BNx/tZN11DYblOd7tNzGthNnlkmYMTI9v18=";
-    })
-  ];
-
   pythonImportsCheck = [
     "pytest_isort"
   ];