diff --git a/modules/server/default.nix b/modules/server/default.nix
index 32b783c6..124d9cfe 100644
--- a/modules/server/default.nix
+++ b/modules/server/default.nix
@@ -15,6 +15,8 @@ in {
   config = mkIf cfg.enable {
     pub-solar.core.lite = true;
 
+    nix.gc.automatic = true;
+
     services = {
       lldpd.enable = true;
       openssh = {