diff --git a/system/hardware-configuration.nix b/system/hardware-configuration.nix
index 86b0e83..910aa09 100644
--- a/system/hardware-configuration.nix
+++ b/system/hardware-configuration.nix
@@ -48,6 +48,13 @@
     wantedBy = [ "suspend.target" ];
   };
 
+  boot.kernel.sysctl = {
+    "vm.swappiness" = 90;
+    "vm.vfs_cache_pressure" = 50;
+    "vm.dirty_background_ratio" = 2;
+    "vm.dirty_ratio" = 5;
+  };
+
   services.btrfs.autoScrub = {
     enable = true;
     interval = "weekly";