diff --git a/module/module-nms-util-legacy/src/main/kotlin/taboolib/module/nms/NMSMap.kt b/module/module-nms-util-legacy/src/main/kotlin/taboolib/module/nms/NMSMap.kt
index 69d84aea6..d7dbac42b 100644
--- a/module/module-nms-util-legacy/src/main/kotlin/taboolib/module/nms/NMSMap.kt
+++ b/module/module-nms-util-legacy/src/main/kotlin/taboolib/module/nms/NMSMap.kt
@@ -9,6 +9,7 @@ import org.bukkit.map.MapCanvas
 import org.bukkit.map.MapRenderer
 import org.bukkit.map.MapView
 import org.tabooproject.reflex.Reflex.Companion.getProperty
+import org.tabooproject.reflex.Reflex.Companion.invokeConstructor
 import org.tabooproject.reflex.Reflex.Companion.invokeMethod
 import org.tabooproject.reflex.Reflex.Companion.setProperty
 import org.tabooproject.reflex.Reflex.Companion.unsafeInstance
@@ -190,7 +191,7 @@ fun BufferedImage.zoomed(width: Int = 128, height: Int = 128): BufferedImage {
 class NMSMap(val image: BufferedImage, var hand: Hand = Hand.MAIN, val builder: ItemBuilder.() -> Unit = {}) {
 
     enum class Hand {
-                    
+
         MAIN, OFF
     }
 
@@ -200,7 +201,18 @@ class NMSMap(val image: BufferedImage, var hand: Hand = Hand.MAIN, val builder:
         val classPacketPlayOutMap = nmsClass("PacketPlayOutMap")
         val classCraftItemStack = obcClass("inventory.CraftItemStack")
         val classMapIcon by unsafeLazy { nmsClass("MapIcon") }
-        val classMapData: Class<*> by unsafeLazy { Class.forName("net.minecraft.world.level.saveddata.maps.WorldMap\$b") }
+        val classMapData: Class<*> by unsafeLazy {
+            when {
+                MinecraftVersion.isHigherOrEqual(MinecraftVersion.V1_20) -> {
+                    Class.forName("net.minecraft.world.level.saveddata.maps.WorldMap.b")
+                }
+
+                else -> {
+                    Class.forName("net.minecraft.world.level.saveddata.maps.WorldMap\$b")
+                }
+            }
+        }
+        val classMapId: Class<*> by unsafeLazy { Class.forName("net.minecraft.world.level.saveddata.maps.MapId") }
     }
 
     val mapRenderer = object : MapRenderer() {
@@ -266,6 +278,34 @@ class NMSMap(val image: BufferedImage, var hand: Hand = Hand.MAIN, val builder:
             val buffer = mapView.invokeMethod<Any>("render", player)!!.getProperty<ByteArray>("buffer")
             val packet = classPacketPlayOutMap.unsafeInstance()
             when {
+                // 1.21+
+                MinecraftVersion.isHigherOrEqual(MinecraftVersion.V1_21) -> {
+                    packet.setProperty("mapId", classMapId.invokeConstructor((mapItem.itemMeta as MapMeta).mapId))
+                    packet.setProperty("scale", mapView.scale.value)
+                    packet.setProperty("locked", false)
+                    packet.setProperty("decorations", ArrayList<Any>())
+                    packet.setProperty("colorPatch", classMapData.unsafeInstance().also {
+                        it.setProperty("startX", 0)
+                        it.setProperty("startY", 0)
+                        it.setProperty("width", 128)
+                        it.setProperty("height", 128)
+                        it.setProperty("mapColors", buffer)
+                    })
+                }
+                // 1.20+
+                MinecraftVersion.isHigherOrEqual(MinecraftVersion.V1_20) -> {
+                    packet.setProperty("mapId", mapView.id)
+                    packet.setProperty("scale", mapView.scale.value)
+                    packet.setProperty("locked", false)
+                    packet.setProperty("decorations", ArrayList<Any>())
+                    packet.setProperty("colorPatch", classMapData.unsafeInstance().also {
+                        it.setProperty("startX", 0)
+                        it.setProperty("startY", 0)
+                        it.setProperty("width", 128)
+                        it.setProperty("height", 128)
+                        it.setProperty("mapColors", buffer)
+                    })
+                }
                 // 1.17+
                 MinecraftVersion.isUniversal -> {
                     packet.setProperty("mapId", (mapItem.itemMeta as MapMeta).mapId)
@@ -331,4 +371,4 @@ class NMSMap(val image: BufferedImage, var hand: Hand = Hand.MAIN, val builder:
         }
         return player.inventory.heldItemSlot + 36
     }
-}
\ No newline at end of file
+}