diff --git a/modules/hm/development/rust.nix b/modules/hm/development/rust.nix
index e84aac3..261dfb1 100644
--- a/modules/hm/development/rust.nix
+++ b/modules/hm/development/rust.nix
@@ -32,6 +32,7 @@ in
         cargo-watch
         cargo-workspaces
         clippy
+        critcmp
         rustc
         rustfmt
         ;