diff --git a/nixos/packages/default.pkgs.nix b/nixos/packages/default.pkgs.nix
index 9bd1c85..9c50a98 100644
--- a/nixos/packages/default.pkgs.nix
+++ b/nixos/packages/default.pkgs.nix
@@ -157,7 +157,7 @@ with pkgs;
   binwalk
 
   # Development.
-  #colmena
+  colmena
   rustfmt
   cargo
   clang