diff --git a/hosts/cm.nix b/hosts/cm.nix
index bacd9c9..7b2d1f2 100644
--- a/hosts/cm.nix
+++ b/hosts/cm.nix
@@ -8,6 +8,7 @@
       ../modules/sudo.nix
       ../modules/homebrew.nix
       ../modules/account.nix
+      ../modules/rosetta.nix
     ];
   };
 
diff --git a/modules/rosetta.nix b/modules/rosetta.nix
new file mode 100644
index 0000000..ad3efd2
--- /dev/null
+++ b/modules/rosetta.nix
@@ -0,0 +1,9 @@
+{ lib, pkgs, ... }:
+
+{
+  system.activationScripts.postActivation.text = lib.mkIf pkgs.stdenv.hostPlatform.isAarch64 ''
+    if ! /usr/sbin/pkgutil --pkg-info com.apple.pkg.RosettaUpdateAuto >/dev/null 2>&1; then
+      /usr/sbin/softwareupdate --install-rosetta --agree-to-license
+    fi
+  '';
+}