diff --git a/go-hello/flake.nix b/go-hello/flake.nix
index f76ae18..016e8f2 100644
--- a/go-hello/flake.nix
+++ b/go-hello/flake.nix
@@ -2,7 +2,7 @@
   description = "A simple Go package";
 
   # Nixpkgs / NixOS version to use.
-  inputs.nixpkgs.url = "nixpkgs/nixos-21.11";
+  inputs.nixpkgs.url = "nixpkgs/nixos-24.11";
 
   outputs = { self, nixpkgs }:
     let
@@ -48,7 +48,7 @@
             # remember to bump this hash when your dependencies change.
             # vendorHash = pkgs.lib.fakeHash;
 
-            vendorHash = "sha256-pQpattmS9VmO3ZIQUFn66az8GSmB4IvYhTTCFn6SUmo=";
+            vendorHash = null;
           };
         });
 
diff --git a/go-hello/go.mod b/go-hello/go.mod
index ea79ba3..e4c2071 100644
--- a/go-hello/go.mod
+++ b/go-hello/go.mod
@@ -1,3 +1,3 @@
 module example.com/go-hello
 
-go 1.16
+go 1.23