diff --git a/krebs/3modules/krebs/default.nix b/krebs/3modules/krebs/default.nix
index ec499d63d..7da97350a 100644
--- a/krebs/3modules/krebs/default.nix
+++ b/krebs/3modules/krebs/default.nix
@@ -158,6 +158,7 @@ in {
     };
     puyak = {
       ci = true;
+      cores = 4;
       nets = {
         retiolum = {
           ip4.addr = "10.243.77.2";