diff --git a/flake.nix b/flake.nix
index 6338db1..2f411f1 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,5 +1,8 @@
 {
-  inputs.flake-utils.url = "github:numtide/flake-utils";
+  inputs = {
+    flake-utils.url = "github:numtide/flake-utils";
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-25.05";
+  };
 
   outputs = {
     self,