diff --git a/pkgs/development/python-modules/hdate/default.nix b/pkgs/development/python-modules/hdate/default.nix
index 214aa83fbbc0..c6b9bbcde847 100644
--- a/pkgs/development/python-modules/hdate/default.nix
+++ b/pkgs/development/python-modules/hdate/default.nix
@@ -12,7 +12,7 @@
 
 buildPythonPackage rec {
   pname = "hdate";
-  version = "0.10.9";
+  version = "0.10.11";
   pyproject = true;
 
   disabled = pythonOlder "3.8";
@@ -21,7 +21,7 @@ buildPythonPackage rec {
     owner = "py-libhdate";
     repo = "py-libhdate";
     rev = "refs/tags/v${version}";
-    hash = "sha256-Cni8GegB8GAhtIKKCgSn3QavE/Gi9Rcm9v0grToMyq4=";
+    hash = "sha256-HmdXTvtNiIE2XPFhqs7WpcceEQU7F7RsLFp6/+63yDw=";
   };
 
   pythonRelaxDeps = [