diff --git a/nix/treefmt.nix b/nix/treefmt.nix
index 3d05e507..1924f0c1 100644
--- a/nix/treefmt.nix
+++ b/nix/treefmt.nix
@@ -5,6 +5,7 @@
   programs = {
     keep-sorted.enable = true;
     nixfmt.enable = true;
+    prettier.enable = true;
     rustfmt.enable = true;
     taplo.enable = true;
   };