diff --git a/hosts/tesla-nixos/configuration.nix b/hosts/tesla-nixos/configuration.nix
index 45bc428..ae054e2 100644
--- a/hosts/tesla-nixos/configuration.nix
+++ b/hosts/tesla-nixos/configuration.nix
@@ -62,12 +62,8 @@ in
       jvmOpts = [ 
         "-Xmx30G"
         "-Xms24G"
-        "-XX:+UnlockExperimentalVMOptions"
-        "-XX:G1NewSizePercent=40"
-        "-XX:G1MaxNewSizePercent=50"
-        "-XX:G1HeapRegionSize=16M"
-        "-XX:G1ReservePercent=15"
-        "-XX:InitiatingHeapOccupancyPercent=20"
+        "-XX:+UseZGC"
+        "-XX:+ZGenerational"
       ];
       symlinks = {
         "mods" = "${modpack}/mods";