diff --git a/profiles/core/default.nix b/profiles/core/default.nix
index 5157dec..a75508e 100644
--- a/profiles/core/default.nix
+++ b/profiles/core/default.nix
@@ -40,6 +40,7 @@ in
       whois
 
       nixpkgs-fmt
+      manix
       libqalculate
     ];
   };