diff --git a/npc/flake.nix b/npc/flake.nix
index e62173c..b2f65cd 100644
--- a/npc/flake.nix
+++ b/npc/flake.nix
@@ -20,6 +20,7 @@
             clang-tools
             rnix-lsp
             coursier
+            metals
 
             gdb
             jre