diff --git a/configuration.nix b/configuration.nix
index 61ed7e7..995b7a0 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -20,6 +20,9 @@
     "console=tty1"
   ];
 
+  # Enable virtio balloon driver for dynamic memory resizing
+  boot.kernelModules = [ "virtio_balloon" ];
+
   systemd.services."serial-getty@ttyS0" = {
     enable = true;
     wantedBy = [ "getty.target" ]; # to start at boot