diff --git a/pkgs/development/python-modules/pyreadstat/default.nix b/pkgs/development/python-modules/pyreadstat/default.nix
index fcf1d720c49a..b322efc89890 100644
--- a/pkgs/development/python-modules/pyreadstat/default.nix
+++ b/pkgs/development/python-modules/pyreadstat/default.nix
@@ -15,7 +15,7 @@
 
 buildPythonPackage rec {
   pname = "pyreadstat";
-  version = "1.2.8";
+  version = "1.2.9";
   pyproject = true;
 
   disabled = pythonOlder "3.7";
@@ -24,7 +24,7 @@ buildPythonPackage rec {
     owner = "Roche";
     repo = "pyreadstat";
     tag = "v${version}";
-    hash = "sha256-9uDmkEp9CXUCcM09CaVaaG856Q1rY3sKYOkQkGRzakE=";
+    hash = "sha256-4SdA4yYf3ha42ktyObTa2eOG16sq5tq+7Iyi16V00bw=";
   };
 
   build-system = [
@@ -56,7 +56,7 @@ buildPythonPackage rec {
   meta = with lib; {
     description = "Module to read SAS, SPSS and Stata files into pandas data frames";
     homepage = "https://github.com/Roche/pyreadstat";
-    changelog = "https://github.com/Roche/pyreadstat/blob/v${version}/change_log.md";
+    changelog = "https://github.com/Roche/pyreadstat/blob/${src.tag}/change_log.md";
     license = licenses.asl20;
     maintainers = with maintainers; [ swflint ];
   };