diff --git a/hosts/hydra/default.nix b/hosts/hydra/default.nix
index 792f5f47..9b01f762 100644
--- a/hosts/hydra/default.nix
+++ b/hosts/hydra/default.nix
@@ -22,7 +22,7 @@
 
   nix = {
     useSandbox = false;
-    maxJobs = 4;
+    maxJobs = 2;
     buildCores = 16;
     gc = {
       automatic = true;
diff --git a/hosts/hydra/hydra.nix b/hosts/hydra/hydra.nix
index e10c201a..c80570c5 100644
--- a/hosts/hydra/hydra.nix
+++ b/hosts/hydra/hydra.nix
@@ -44,13 +44,15 @@ in {
   };
   systemd.services.hydra-evaluator.serviceConfig = {
     CPUWeight = 2;
-    MemoryAccounting = true;
-    MemoryHigh = "32G";
-    MemoryMax = "40G";
+    MemoryHigh = "24G";
+    MemoryMax = "32G";
     MemorySwapMax = "8G";
   };
   systemd.services.nix-daemon.serviceConfig = {
     CPUWeight = 5;
+    MemoryHigh = "24G";
+    MemoryMax = "32G";
+    MemorySwapMax = "8G";
   };
 
   services.nginx =