diff --git a/pkgs/development/python-modules/iamdata/default.nix b/pkgs/development/python-modules/iamdata/default.nix
index 29559233be1b..b68f0b136a7b 100644
--- a/pkgs/development/python-modules/iamdata/default.nix
+++ b/pkgs/development/python-modules/iamdata/default.nix
@@ -8,14 +8,14 @@
 
 buildPythonPackage rec {
   pname = "iamdata";
-  version = "0.1.202512251";
+  version = "0.1.202512261";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "cloud-copilot";
     repo = "iam-data-python";
     tag = "v${version}";
-    hash = "sha256-p9rHa2ibeZjHwu3qYaIIK/4wPocQSL3B75A4bXqcwiY=";
+    hash = "sha256-xwYPF+u37MbIgiirBR0I5Z6vdDttEzuLAA/psP3/1bM=";
   };
 
   __darwinAllowLocalNetworking = true;