diff --git a/pkgs/development/python-modules/python-pooldose/default.nix b/pkgs/development/python-modules/python-pooldose/default.nix
index 04c2ac7ecbea..3ceca78f0a92 100644
--- a/pkgs/development/python-modules/python-pooldose/default.nix
+++ b/pkgs/development/python-modules/python-pooldose/default.nix
@@ -13,14 +13,14 @@
 
 buildPythonPackage rec {
   pname = "python-pooldose";
-  version = "0.9.6";
+  version = "0.9.9";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "lmaertin";
     repo = "python-pooldose";
     tag = version;
-    hash = "sha256-eSFe3PRKhVMuwJ7XUHRec8nPilSxGUQ1T2k2loLubUg=";
+    hash = "sha256-03U6x1Q0f8oH58Z3IDUW82dc24Od9+fqF/fF0mbzcgg=";
   };
 
   build-system = [ setuptools ];