From 197e08a937620398b400753672e134c1521bcf8d Mon Sep 17 00:00:00 2001
From: dordsor21 <dordsor21@gmail.com>
Date: Thu, 1 Oct 2020 16:48:02 +0100
Subject: [PATCH] use ConcurrentHashMap

---
 .../worldedit/bukkit/BukkitPermissionAttachmentManager.java   | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/BukkitPermissionAttachmentManager.java b/worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/BukkitPermissionAttachmentManager.java
index e3069c78e..fdcf408ea 100644
--- a/worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/BukkitPermissionAttachmentManager.java
+++ b/worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/BukkitPermissionAttachmentManager.java
@@ -1,15 +1,15 @@
 package com.sk89q.worldedit.bukkit;
 
 import javax.annotation.Nullable;
-import java.util.HashMap;
 import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
 import org.bukkit.entity.Player;
 import org.bukkit.permissions.PermissionAttachment;
 
 public class BukkitPermissionAttachmentManager {
 
     private final WorldEditPlugin plugin;
-    private final Map<Player, PermissionAttachment> attachments = new HashMap<>();
+    private final Map<Player, PermissionAttachment> attachments = new ConcurrentHashMap<>();
 
     public BukkitPermissionAttachmentManager(WorldEditPlugin plugin) {
         this.plugin = plugin;