diff --git a/pkgs/development/python-modules/iamdata/default.nix b/pkgs/development/python-modules/iamdata/default.nix
index 8eef3ec95d97..a51eb1755cf3 100644
--- a/pkgs/development/python-modules/iamdata/default.nix
+++ b/pkgs/development/python-modules/iamdata/default.nix
@@ -8,14 +8,14 @@
 
 buildPythonPackage (finalAttrs: {
   pname = "iamdata";
-  version = "0.1.202601271";
+  version = "0.1.202601281";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "cloud-copilot";
     repo = "iam-data-python";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-bOnbWxSV3Aoukh403YS61SCkIsjp20cVpSOXcsQQj6U=";
+    hash = "sha256-xixOMQC8/gZO7xfA740qd5j9hiRphpotfJdPVKjBIrA=";
   };
 
   __darwinAllowLocalNetworking = true;