diff --git a/test.nix b/test.nix
index a25a980..00bcba4 100644
--- a/test.nix
+++ b/test.nix
@@ -77,8 +77,13 @@ nixosTest {
 
       programs.sway.enable = true;
 
-      # Need to switch to a different GPU driver than the default one (-vga std) so that Sway can launch:
-      virtualisation.qemu.options = [ "-vga none -device virtio-gpu-pci" ];
+      virtualisation.qemu.options = [
+        # Need to switch to a different GPU driver than the default one (-vga std) so that Sway can launch:
+        "-vga none -device virtio-gpu-pci"
+
+        # Increase Go test compiler performance:
+        "-smp 8"
+      ];
 
       environment.fortify = {
         enable = true;