diff --git a/dev-shells/default.nix b/dev-shells/default.nix
index fc8bc5a..837f34a 100644
--- a/dev-shells/default.nix
+++ b/dev-shells/default.nix
@@ -34,6 +34,7 @@ in
         sops-rekey
       ])
       ++ (with pkgs; [
+        gnused
         attic-client
         deploy-rs
         jq