diff --git a/pkgs/development/python-modules/iamdata/default.nix b/pkgs/development/python-modules/iamdata/default.nix
index 4d2e22a359a7..4cda8e7a8ae1 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 = "0.1.202510081";
+  version = "0.1.202510091";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "cloud-copilot";
     repo = "iam-data-python";
     tag = "v${version}";
-    hash = "sha256-hN5gHYhylmrOYiMTW+FE8G0CXf2kxKbPGbtQmjd8X7A=";
+    hash = "sha256-ZnOQDuZweZy/FNJZCjsk61cd0/MoUpXSsCfvVlSK+oM=";
   };
 
   build-system = [ hatchling ];