diff --git a/flake.nix b/flake.nix
index ed2e59b..bf3c531 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,9 +1,12 @@
 {
   description = "restic-alarm";
   inputs = {
-    cargo2nix.url = "github:cargo2nix/cargo2nix/release-0.11.0";
+    cargo2nix = {
+      url = "github:cargo2nix/cargo2nix/release-0.11.0";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
     flake-utils.follows = "cargo2nix/flake-utils";
-    nixpkgs.follows = "cargo2nix/nixpkgs";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-23.11";
   };
 
   outputs = inputs: with inputs;