diff --git a/pkgs/development/python-modules/croniter/default.nix b/pkgs/development/python-modules/croniter/default.nix
index 2437785db5b28..5492e118943f4 100644
--- a/pkgs/development/python-modules/croniter/default.nix
+++ b/pkgs/development/python-modules/croniter/default.nix
@@ -12,14 +12,14 @@
 
 buildPythonPackage rec {
   pname = "croniter";
-  version = "3.0.3";
+  version = "6.0.0";
   pyproject = true;
 
   disabled = pythonOlder "3.7";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-NBF+wXQfEKe9DsOtfY8OuPpFei/rm+MuaiJQ4ViVdmg=";
+    hash = "sha256-N8UEsxOVYRSpg+ziwrB3kLHxCU/p2BzJRzkhR0glVXc=";
   };
 
   nativeBuildInputs = [ setuptools ];