diff --git a/pkgs/development/python-modules/tzdata/default.nix b/pkgs/development/python-modules/tzdata/default.nix
index e489e3e4c41c..0190532a08b0 100644
--- a/pkgs/development/python-modules/tzdata/default.nix
+++ b/pkgs/development/python-modules/tzdata/default.nix
@@ -11,12 +11,12 @@
 
 buildPythonPackage rec {
   pname = "tzdata";
-  version = "2025.2";
+  version = "2025.3";
   pyproject = true;
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-tgpjj8wNr/rfgv4PV+U9Br3sLzbE32YoCuebzmvW8rk=";
+    hash = "sha256-3jnCyl3HsDRPLrqG9J1hQBnSnwYPxOvIpBeJamILVqc=";
   };
 
   nativeBuildInputs = [ setuptools ];