diff --git a/nixos/config/muon.nix b/nixos/config/muon.nix
index ded9325..486db4c 100644
--- a/nixos/config/muon.nix
+++ b/nixos/config/muon.nix
@@ -3,6 +3,7 @@ imports = [
     nixos-hardware.nixosModules.lenovo-thinkpad-x1-extreme-gen4
   ] ++ (with self.nixosModules; [
     default
+    mimalloc
     physical
     portable
     graphical