diff --git a/nixos/essential.nix b/nixos/essential.nix
index 2bde7fca..af7b22aa 100644
--- a/nixos/essential.nix
+++ b/nixos/essential.nix
@@ -90,6 +90,7 @@ in
     ncdu
     lsof
     pass
+    protobuf
     rcm
     ripgrep
     silver-searcher