diff --git a/flake.nix b/flake.nix
index a320eb5..3f4571b 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,7 +1,7 @@
 {
   description = "Nix flake for the activity logging script";
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.11";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.05";
     # sudoku-solver.url = "path:./src/sudoku-hs";
   };
   outputs =