diff --git a/packages/common/nki-kakoune/kakrc b/packages/common/nki-kakoune/kakrc
index 0bc3dc0..878869c 100644
--- a/packages/common/nki-kakoune/kakrc
+++ b/packages/common/nki-kakoune/kakrc
@@ -162,7 +162,7 @@ hook global BufCreate .*[.]md %{
   add-highlighter buffer/ wrap
 }
 
-hook global BufCreate .*[.](sc|sbt) %{
+hook global BufCreate .*[.](sc|sbt|mill) %{
   set-option buffer filetype scala
 }
 
diff --git a/packages/common/nki-kakoune/lsp.nix b/packages/common/nki-kakoune/lsp.nix
index 82f0b51..92dca5a 100644
--- a/packages/common/nki-kakoune/lsp.nix
+++ b/packages/common/nki-kakoune/lsp.nix
@@ -130,7 +130,7 @@ let
         metals = {
           command = "metals";
           filetypes = [ "scala" ];
-          roots = [ "build.sbt" "build.sc" ];
+          roots = [ "build.sbt" "build.sc" "build.mill" ];
           settings_section = "metals";
           settings.metals = {
             enableSemanticHighlighting = true;