diff --git a/system/machine/Darwin/configuration.nix b/system/machine/Darwin/configuration.nix
index 755de91..a0f84fe 100644
--- a/system/machine/Darwin/configuration.nix
+++ b/system/machine/Darwin/configuration.nix
@@ -67,6 +67,7 @@
   # itself no longer needs a manual bootstrap. enableRosetta permits x86_64
   # formulae via Rosetta 2 on Apple Silicon.
   nix-homebrew = {
+    autoMigrate = true;
     enable = true;
     enableRosetta = true;
     user = username;