diff --git a/hm/shell/direnv.nix b/hm/shell/direnv.nix
index 6fb2922..244d8a5 100644
--- a/hm/shell/direnv.nix
+++ b/hm/shell/direnv.nix
@@ -25,6 +25,10 @@
         ExecStart = lib.getExe (
           pkgs.writeShellApplication {
             name = "direnv_ignore";
+            runtimeInputs = with pkgs; [
+              coreutils
+              gnugrep
+            ];
             text =
               ''
                 ignore_direnv() {