diff --git a/pkgs/development/python-modules/pytest-trio/default.nix b/pkgs/development/python-modules/pytest-trio/default.nix
index 5499c41d5f87..d55ad6969d35 100644
--- a/pkgs/development/python-modules/pytest-trio/default.nix
+++ b/pkgs/development/python-modules/pytest-trio/default.nix
@@ -2,7 +2,7 @@
   lib,
   buildPythonPackage,
   fetchFromGitHub,
-  pythonOlder,
+  setuptools,
   trio,
   hypothesis,
   outcome,
@@ -12,19 +12,20 @@
 buildPythonPackage rec {
   pname = "pytest-trio";
   version = "0.8.0";
-  format = "setuptools";
-  disabled = pythonOlder "3.6";
+  pyproject = true;
 
   src = fetchFromGitHub {
     owner = "python-trio";
     repo = "pytest-trio";
-    rev = "v${version}";
-    sha256 = "sha256-gUH35Yk/pBD2EdCEt8D0XQKWU8BwmX5xtAW10qRhoYk=";
+    tag = "v${version}";
+    hash = "sha256-gUH35Yk/pBD2EdCEt8D0XQKWU8BwmX5xtAW10qRhoYk=";
   };
 
+  build-system = [ setuptools ];
+
   buildInputs = [ pytest ];
 
-  propagatedBuildInputs = [
+  dependencies = [
     trio
     outcome
   ];
@@ -43,10 +44,10 @@ buildPythonPackage rec {
 
   pythonImportsCheck = [ "pytest_trio" ];
 
-  meta = with lib; {
+  meta = {
     description = "Pytest plugin for trio";
     homepage = "https://github.com/python-trio/pytest-trio";
-    license = licenses.asl20;
-    maintainers = with maintainers; [ hexa ];
+    license = lib.licenses.asl20;
+    maintainers = with lib.maintainers; [ hexa ];
   };
 }
diff --git a/pkgs/development/python-modules/trio/default.nix b/pkgs/development/python-modules/trio/default.nix
index 288e7db4add0..d7a0ca6c693b 100644
--- a/pkgs/development/python-modules/trio/default.nix
+++ b/pkgs/development/python-modules/trio/default.nix
@@ -29,6 +29,8 @@
 let
   # escape infinite recursion with pytest-trio
   pytest-trio' = (pytest-trio.override { trio = null; }).overrideAttrs {
+    # `pythonRemoveDeps` is not working properly
+    dontCheckRuntimeDeps = true;
     doCheck = false;
     pythonImportsCheck = [ ];
   };