diff --git a/pkgs/development/python-modules/nominal/default.nix b/pkgs/development/python-modules/nominal/default.nix
index 72bed6396d8f..63d4679dd330 100644
--- a/pkgs/development/python-modules/nominal/default.nix
+++ b/pkgs/development/python-modules/nominal/default.nix
@@ -20,14 +20,14 @@
 
 buildPythonPackage rec {
   pname = "nominal";
-  version = "1.59.0";
+  version = "1.65.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "nominal-io";
     repo = "nominal-client";
     tag = "v${version}";
-    hash = "sha256-wWy7i9lWZzDCx3cPyViLp7r7hSSDQbqdSUABX7L0LSE=";
+    hash = "sha256-MDIrKDMU4PgCXxaraVYKeRwgn84UXdwxNeyoJvMHiuE=";
   };
 
   build-system = [ hatchling ];