diff --git a/pkgs/development/python-modules/iamdata/default.nix b/pkgs/development/python-modules/iamdata/default.nix
index f75ed3eac75f..efd6b6dd758d 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 = "0.1.202602121";
+  version = "0.1.202602131";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "cloud-copilot";
     repo = "iam-data-python";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-gTsr0CBDBXLI9l2G3ACHdb7HdQoxvNAb5uXYtgB1ZSQ=";
+    hash = "sha256-52/atyFcRD9isvqVL2aIzSAB/U18aCKNJq9n/BZpDRw=";
   };
 
   __darwinAllowLocalNetworking = true;