diff --git a/pkgs/development/python-modules/iamdata/default.nix b/pkgs/development/python-modules/iamdata/default.nix
index 711855542852..8fee00aa661b 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 = "0.1.202601211";
+  version = "0.1.202601221";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "cloud-copilot";
     repo = "iam-data-python";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-Zq9lKDETW2gk1ILoFZDg/ZKs8B7zDbLXhtQi6f64KLY=";
+    hash = "sha256-IyRkeKrLd4F4m9IkfHN/FFF0k2BNTMGIC76id+qULPk=";
   };
 
   __darwinAllowLocalNetworking = true;