diff --git a/pkgs/development/python-modules/iamdata/default.nix b/pkgs/development/python-modules/iamdata/default.nix
index 134cb0d00495..9f157e4a36a3 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 = "0.1.202605311";
+  version = "0.1.202606011";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "cloud-copilot";
     repo = "iam-data-python";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-YTAnViAo+G2Yxwi1lnt1oBteV8GDHlWDcQBITy/wgoQ=";
+    hash = "sha256-O2TrzMml1mCbWN4yFotixnXVMSINeAY/iK4jWJWCtAA=";
   };
 
   __darwinAllowLocalNetworking = true;