diff --git a/patches/server/0001-Build-Changes.patch b/patches/server/0001-Build-Changes.patch
index e4b85d825..cb1cc6e2b 100644
--- a/patches/server/0001-Build-Changes.patch
+++ b/patches/server/0001-Build-Changes.patch
@@ -42,10 +42,10 @@ index 6d3d573ffc118e7f4d76422dc014a7df0384bb49..6e5a7cd4028d38126632390e129c005d
      standardInput = System.`in`
      workingDir = rootProject.layout.projectDirectory
 diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
-index 912affb0ab1c4c40f7a655194e95ec6f0ebf1fcd..d15b822d7b12691608a3890d87b09c7562f91958 100644
+index 3238cbcba567b1242c77e41f6b6f19a8d157fb4e..681123682c1a0060d05860835e5b9f46147f7c1f 100644
 --- a/src/main/java/net/minecraft/server/MinecraftServer.java
 +++ b/src/main/java/net/minecraft/server/MinecraftServer.java
-@@ -1691,7 +1691,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
+@@ -1693,7 +1693,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
  
      @DontObfuscate
      public String getServerModName() {
diff --git a/patches/server/0034-Save-DimensionDataStorage-async.patch b/patches/server/0034-Save-DimensionDataStorage-async.patch
new file mode 100644
index 000000000..c9fa2b10f
--- /dev/null
+++ b/patches/server/0034-Save-DimensionDataStorage-async.patch
@@ -0,0 +1,58 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Cryptite <cryptite@gmail.com>
+Date: Mon, 26 Jun 2023 16:45:00 -0500
+Subject: [PATCH] Save DimensionDataStorage async
+
+
+diff --git a/src/main/java/net/minecraft/world/level/storage/DimensionDataStorage.java b/src/main/java/net/minecraft/world/level/storage/DimensionDataStorage.java
+index 637a86e74d633901fdd2f2f1ba6aa4ed49780ead..8cf3880d9168b5ba6b383ec921bfb490ea51ac38 100644
+--- a/src/main/java/net/minecraft/world/level/storage/DimensionDataStorage.java
++++ b/src/main/java/net/minecraft/world/level/storage/DimensionDataStorage.java
+@@ -9,6 +9,8 @@ import java.io.FileInputStream;
+ import java.io.IOException;
+ import java.io.PushbackInputStream;
+ import java.util.Map;
++import java.util.concurrent.CompletableFuture;
++import java.util.concurrent.ConcurrentHashMap;
+ import java.util.function.Function;
+ import java.util.function.Supplier;
+ import javax.annotation.Nullable;
+@@ -18,11 +20,12 @@ import net.minecraft.nbt.NbtIo;
+ import net.minecraft.nbt.NbtUtils;
+ import net.minecraft.util.datafix.DataFixTypes;
+ import net.minecraft.world.level.saveddata.SavedData;
++import org.bukkit.Bukkit;
+ import org.slf4j.Logger;
+ 
+ public class DimensionDataStorage {
+     private static final Logger LOGGER = LogUtils.getLogger();
+-    public final Map<String, SavedData> cache = Maps.newHashMap();
++    public final Map<String, SavedData> cache = new ConcurrentHashMap<>();
+     private final DataFixer fixerUpper;
+     private final File dataFolder;
+ 
+@@ -51,7 +54,7 @@ public class DimensionDataStorage {
+         SavedData savedData = this.cache.get(id);
+         if (savedData == null && !this.cache.containsKey(id)) {
+             savedData = this.readSavedData(readFunction, id);
+-            this.cache.put(id, savedData);
++            if (savedData != null) this.cache.put(id, savedData);
+         }
+ 
+         return (T)savedData;
+@@ -119,11 +122,12 @@ public class DimensionDataStorage {
+     }
+ 
+     public void save() {
+-        this.cache.forEach((id, state) -> {
++        // Slice start - run async
++        CompletableFuture.runAsync(() -> this.cache.forEach((id, state) -> {
+             if (state != null) {
+                 state.save(this.getDataFile(id));
+             }
+-
+-        });
++        }));
++        // Slice end
+     }
+ }