diff --git a/flake.nix b/flake.nix
index 0e81254..0e2ac1d 100644
--- a/flake.nix
+++ b/flake.nix
@@ -18,6 +18,7 @@
             inotify-tools
             tailwindcss_4
             esbuild
+            watchman
           ];
 
           enterShell = ''