diff --git a/flake.nix b/flake.nix
index 251fdce..af3d1c6 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,7 +1,7 @@
 {
   description = "Nix-to-EDN converter.";
 
-  input = { nixpkgs.url = "nixpkgs/nixos-21.05"; };
+  inputs = { nixpkgs.url = "nixpkgs/nixos-21.05"; };
 
   outputs = { self, nixpkgs }: {
     lib = { toEDN = import ./to-edn.nix { inherit (nixpkgs) lib; }; };