diff --git a/flake.nix b/flake.nix
index 6863694..0616c88 100644
--- a/flake.nix
+++ b/flake.nix
@@ -12,6 +12,7 @@
       inputs = {
         nixpkgs.follows = "nixpkgs";
         pre-commit = {
+          url = "github:cachix/pre-commit-hooks.nix";
           inputs = {
             flake-compat.follows = "flake-compat";
             gitignore.follows = "gitignore";