diff --git a/share/common.nix b/share/common.nix
index 716492a..d2bd213 100644
--- a/share/common.nix
+++ b/share/common.nix
@@ -72,6 +72,9 @@ in
     "tipc"
   ];
 
+  # swap to RAM
+  zramSwap.enable = true;
+
   # harden some services
   systemd.services.systemd-rfkill = {
     serviceConfig = {