diff --git a/jobsets.nix b/jobsets.nix
index 5fac73c..b2e0f7d 100644
--- a/jobsets.nix
+++ b/jobsets.nix
@@ -9,7 +9,7 @@ let
     schedulingshares = 100;
     enableemail = true;
     emailoverride = "";
-    keepnr = 16;
+    keepnr = 12;
     type = 0;
     inputs = {
       hydra-config = {