diff --git a/services/minecraft.nix b/services/minecraft.nix
index 274d3c2..4af9beb 100644
--- a/services/minecraft.nix
+++ b/services/minecraft.nix
@@ -39,7 +39,7 @@
 
       jvmOpts =
         let
-          heap_size = "10000M";
+          heap_size = "4000M";
         in
         "-Xmx${heap_size} -Xms${heap_size} -XX:+UseZGC -XX:+ZGenerational";