diff --git a/pkgs/development/python-modules/iamdata/default.nix b/pkgs/development/python-modules/iamdata/default.nix
index da49be1fef1d..8eef3ec95d97 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 = "0.1.202601261";
+  version = "0.1.202601271";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "cloud-copilot";
     repo = "iam-data-python";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-vjCyMNTaXALc5wecg6YO3kg5fdYfZ8tAWa0LrmoiOTE=";
+    hash = "sha256-bOnbWxSV3Aoukh403YS61SCkIsjp20cVpSOXcsQQj6U=";
   };
 
   __darwinAllowLocalNetworking = true;