diff --git a/pkgs/development/python-modules/transaction/default.nix b/pkgs/development/python-modules/transaction/default.nix
index 12a86a134457..acb0488e41cd 100644
--- a/pkgs/development/python-modules/transaction/default.nix
+++ b/pkgs/development/python-modules/transaction/default.nix
@@ -8,14 +8,14 @@
 
 buildPythonPackage rec {
   pname = "transaction";
-  version = "3.1.0";
+  version = "4.0";
   format = "setuptools";
 
   disabled = pythonOlder "3.7";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-ZdCx6pLb58Tjsjf7a9i0Heoj10Wee92MOIC//a+RL6Q=";
+    hash = "sha256-aANduRP2DRvhL2Vj0gHaqzbIPnY94ViZ/4M48m5eYvI=";
   };
 
   propagatedBuildInputs = [