diff --git a/home/kakoune/kak.nix b/home/kakoune/kak.nix
index c39fca2..aad934c 100644
--- a/home/kakoune/kak.nix
+++ b/home/kakoune/kak.nix
@@ -117,7 +117,7 @@ in
   programs.kak-lsp.languageServers.metals = {
     command = "metals";
     filetypes = [ "scala" ];
-    roots = [ "build.sbt" "build.sc" ];
+    roots = [ "build.sbt" "build.sc" "build.mill" ];
     settings_section = "metals";
     settings.metals = {
       enableSemanticHighlighting = true;
diff --git a/home/kakoune/kakrc b/home/kakoune/kakrc
index c254669..7502c2a 100644
--- a/home/kakoune/kakrc
+++ b/home/kakoune/kakrc
@@ -206,7 +206,7 @@ hook global BufCreate .*[.]md %{
   add-highlighter buffer/ wrap
 }
 
-hook global BufCreate .*[.](sc|sbt) %{
+hook global BufCreate .*[.](sc|sbt|mill) %{
   set-option buffer filetype scala
 }