diff --git a/pkgs/development/python-modules/pysmartapp/default.nix b/pkgs/development/python-modules/pysmartapp/default.nix
index abf3796ae7f7..a4ab8e58382c 100644
--- a/pkgs/development/python-modules/pysmartapp/default.nix
+++ b/pkgs/development/python-modules/pysmartapp/default.nix
@@ -4,17 +4,21 @@
 , httpsig
 , pytest-asyncio
 , pytestCheckHook
+, pythonOlder
 }:
 
 buildPythonPackage rec {
   pname = "pysmartapp";
-  version = "0.3.3";
+  version = "0.3.4";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.8";
 
   src = fetchFromGitHub {
     owner = "andrewsayre";
     repo = pname;
     rev = version;
-    sha256 = "03wk44siqxl15pa46x5vkg4q0mnga34ir7qn897576z2ivbx7awh";
+    sha256 = "sha256-zYjv7wRxQTS4PnNaY69bw9xE6I4DZMocwUzEICBfwqM=";
   };
 
   propagatedBuildInputs = [
@@ -26,7 +30,9 @@ buildPythonPackage rec {
     pytestCheckHook
   ];
 
-  pythonImportsCheck = [ "pysmartapp" ];
+  pythonImportsCheck = [
+    "pysmartapp"
+  ];
 
   meta = with lib; {
     description = "Python implementation to work with SmartApp lifecycle events";