diff --git a/profiles/server/default.nix b/profiles/server/default.nix
index a8d299cc..5e461e3e 100644
--- a/profiles/server/default.nix
+++ b/profiles/server/default.nix
@@ -3,4 +3,5 @@ let inherit (lib) fileContents;
 in
 {
   pub-solar.server.enable = true;
+  hardware.ksm.enable = true;
 }