diff --git a/pkgs/development/python-modules/pyupgrade/default.nix b/pkgs/development/python-modules/pyupgrade/default.nix
index 634bb0a6a501..2e17db7d29bd 100644
--- a/pkgs/development/python-modules/pyupgrade/default.nix
+++ b/pkgs/development/python-modules/pyupgrade/default.nix
@@ -8,26 +8,26 @@
 
 buildPythonPackage rec {
   pname = "pyupgrade";
-  version = "3.0.0";
+  version = "3.1.0";
   format = "setuptools";
 
-  disabled = pythonOlder "3.6";
+  disabled = pythonOlder "3.7";
 
   src = fetchFromGitHub {
     owner = "asottile";
     repo = pname;
     rev = "v${version}";
-    sha256 = "sha256-x85bu0dnhYwQU1l7mPH6lr9p6aO7AHG0wLvI/6MYe88=";
+    hash = "sha256-OzU3Qv6qdEw0hJdbQ7Q3T6zOGpUt2uZyfy1Fxm3GT0Q=";
   };
 
-  checkInputs = [
-    pytestCheckHook
-  ];
-
   propagatedBuildInputs = [
     tokenize-rt
   ];
 
+  checkInputs = [
+    pytestCheckHook
+  ];
+
   pythonImportsCheck = [
     "pyupgrade"
   ];