diff --git a/roles/home/helix.nix b/roles/home/helix.nix
index 0509890..06d0cc5 100644
--- a/roles/home/helix.nix
+++ b/roles/home/helix.nix
@@ -36,6 +36,7 @@
       nodePackages.vscode-langservers-extracted
       nodePackages.typescript
       nodePackages.svelte-language-server
+      swiProlog
     ];
   };
 }