diff --git a/pkgs/development/python-modules/iamdata/default.nix b/pkgs/development/python-modules/iamdata/default.nix
index cee7ed620a8e..3c329097a05b 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 = "0.1.202609231";
+  version = "0.1.202609261";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "cloud-copilot";
     repo = "iam-data-python";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-v1KhdlwuHmtd6P2HbRNph3CJ0uU1/wXOmiJB1yM91D8=";
+    hash = "sha256-JRCoF2h1gas4i/7BoN+No6wz+SzbProPo38id9Q+3ok=";
   };
 
   __darwinAllowLocalNetworking = true;