diff --git a/inputs/flake.nix b/inputs/flake.nix
index 6133261..c0aaa17 100644
--- a/inputs/flake.nix
+++ b/inputs/flake.nix
@@ -21,6 +21,9 @@
 
     pinix.url = "github:remi-dupre/pinix";
     pinix.inputs.nixpkgs.follows = "nixpkgs";
+
+    nix-index-database.url = "github:nix-community/nix-index-database";
+    nix-index-database.inputs.nixpkgs.follows = "nixpkgs";
   };
 
   nixConfig = {