diff --git a/pkgs/development/python-modules/tzdata/default.nix b/pkgs/development/python-modules/tzdata/default.nix
index 100722bc9c06..b9c451664e0f 100644
--- a/pkgs/development/python-modules/tzdata/default.nix
+++ b/pkgs/development/python-modules/tzdata/default.nix
@@ -8,12 +8,12 @@
 
 buildPythonPackage rec {
   pname = "tzdata";
-  version = "2025.3";
+  version = "2026.1";
   pyproject = true;
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-3jnCyl3HsDRPLrqG9J1hQBnSnwYPxOvIpBeJamILVqc=";
+    hash = "sha256-Z2WKGQPHWRcwnnU/3DSawO/Ywn23oMtAaiW+SED4f5g=";
   };
 
   nativeBuildInputs = [ setuptools ];
@@ -25,6 +25,7 @@ buildPythonPackage rec {
   pythonImportsCheck = [ "tzdata" ];
 
   meta = {
+    changelog = "https://github.com/python/tzdata/blob/${version}/NEWS.md";
     description = "Provider of IANA time zone data";
     homepage = "https://github.com/python/tzdata";
     license = lib.licenses.asl20;