diff --git a/modules/system/homelab/mc.nix b/modules/system/homelab/mc.nix
index d47f5db..03171a9 100644
--- a/modules/system/homelab/mc.nix
+++ b/modules/system/homelab/mc.nix
@@ -2,9 +2,9 @@
   ram-allocation-mb = 12288;
   rcon-pass = "howdy";
   modpack = let
-    commit = "a52f65c1234b9f2dbe1392c471cb32a0614c5073";
+    commit = "ac9278758cf96b97fbb4f816aca0fb2f94ccf3a2";
   in pkgs.fetchPackwizModpack {
-    packHash = "sha256-WplCmvuCmA8TNeRVBKMwkvizmYlBcU9PDugXXSKTBaA=";
+    packHash = "";
     url = "https://git.satr14.my.id/satr14/server-modpack/raw/commit/${commit}/pack.toml";
   };
   
@@ -51,6 +51,10 @@ in {
         "-XX:+UseCompactObjectHeaders"
         "-XX:ZAllocationSpikeTolerance=5"
         "-XX:SoftMaxHeapSize=${toString (ram-allocation-mb - 2048)}M"
+
+        # High MSPT due to ZGC pauses
+        "-XX:ZUncommitDelay=300"
+        "-XX:ZCollectionInterval=5"
       ]; in lib.concatStringsSep " " flags;
 
       # extraStartPost = let gamerules = {
@@ -97,7 +101,6 @@ in {
       
       symlinks = {
         # "server-icon.png" = "${modpack}/server-icon.png";
-        "world/datapacks" = "${modpack}/datapacks";
         "mods" = "${modpack}/mods";
       };
     };