diff --git a/pkgs/development/python-modules/sievelib/default.nix b/pkgs/development/python-modules/sievelib/default.nix
index e83a1845193b..0f2f70b19e68 100644
--- a/pkgs/development/python-modules/sievelib/default.nix
+++ b/pkgs/development/python-modules/sievelib/default.nix
@@ -10,12 +10,12 @@
 
 buildPythonPackage rec {
   pname = "sievelib";
-  version = "1.4.3";
+  version = "1.5.0";
   pyproject = true;
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-bFemWvAc6WbJCxPlLxT7+acDd2egcbg4FHTMWrIxBPQ=";
+    hash = "sha256-Kvuq8lA6/pEt4IgeTFdzg+b5D4dikx+00y8rVBI85FA=";
   };
 
   build-system = [ setuptools-scm ];