diff --git a/pom.xml b/pom.xml
index 8d7f65d..7ee27dc 100644
--- a/pom.xml
+++ b/pom.xml
@@ -161,7 +161,7 @@
         <dependency>
             <groupId>org.spigotmc</groupId>
             <artifactId>spigot-api</artifactId>
-            <version>1.20.4-R0.1-SNAPSHOT</version>
+            <version>1.20.5-R0.1-SNAPSHOT</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
diff --git a/src/main/java/tech/sbdevelopment/mapreflectionapi/MapReflectionAPI.java b/src/main/java/tech/sbdevelopment/mapreflectionapi/MapReflectionAPI.java
index 2049d7b..bc41d31 100644
--- a/src/main/java/tech/sbdevelopment/mapreflectionapi/MapReflectionAPI.java
+++ b/src/main/java/tech/sbdevelopment/mapreflectionapi/MapReflectionAPI.java
@@ -69,7 +69,7 @@ public class MapReflectionAPI extends JavaPlugin {
         getLogger().info("Made by © Copyright SBDevelopment 2023");
 
         if (!supports(12)) {
-            getLogger().severe("MapReflectionAPI only supports Minecraft 1.12 - 1.19.4!");
+            getLogger().severe("MapReflectionAPI only supports Minecraft 1.12 - 1.20.5!");
             Bukkit.getPluginManager().disablePlugin(this);
             return;
         }
diff --git a/src/main/java/tech/sbdevelopment/mapreflectionapi/api/MapSender.java b/src/main/java/tech/sbdevelopment/mapreflectionapi/api/MapSender.java
index 2cb8844..cc35b8a 100644
--- a/src/main/java/tech/sbdevelopment/mapreflectionapi/api/MapSender.java
+++ b/src/main/java/tech/sbdevelopment/mapreflectionapi/api/MapSender.java
@@ -112,7 +112,25 @@ public class MapSender {
 
         final int id = -id0;
         Object packet;
-        if (supports(17)) { //1.17+
+        if (supports(20, 4)) { //1.20.5+
+            //TODO: Implement 1.20.5+ map sending
+
+            Object updateData = ReflectionUtil.callConstructor(worldMapData,
+                    content.minX, //X pos
+                    content.minY, //Y pos
+                    content.maxX, //X size (2nd X pos)
+                    content.maxY, //Y size (2nd Y pos)
+                    content.array //Data
+            );
+
+            packet = ReflectionUtil.callConstructor(packetPlayOutMapClass,
+                    id, //ID
+                    (byte) 0, //Scale, 0 = 1 block per pixel
+                    false, //Show icons
+                    new ReflectionUtil.CollectionParam<>(), //Icons
+                    updateData
+            );
+        } else if (supports(17)) { //1.17+
             Object updateData = ReflectionUtil.callConstructor(worldMapData,
                     content.minX, //X pos
                     content.minY, //Y pos
diff --git a/src/main/java/tech/sbdevelopment/mapreflectionapi/listeners/PacketListener.java b/src/main/java/tech/sbdevelopment/mapreflectionapi/listeners/PacketListener.java
index b5c3f17..2804d44 100644
--- a/src/main/java/tech/sbdevelopment/mapreflectionapi/listeners/PacketListener.java
+++ b/src/main/java/tech/sbdevelopment/mapreflectionapi/listeners/PacketListener.java
@@ -140,8 +140,8 @@ public class PacketListener implements Listener {
                 } else if (packet.getClass().isAssignableFrom(packetPlayInSetCreativeSlotClass)) {
                     Object packetPlayInSetCreativeSlot = packetPlayInSetCreativeSlotClass.cast(packet);
 
-                    int slot = (int) ReflectionUtil.callDeclaredMethod(packetPlayInSetCreativeSlot, supports(19, 4) ? "a" : supports(13) ? "b" : "a"); //1.19.4 = a, 1.19.3 - 1.13 = b, 1.12 = a
-                    Object nmsStack = ReflectionUtil.callDeclaredMethod(packetPlayInSetCreativeSlot, supports(20, 2) ? "d" : supports(18) ? "c" : "getItemStack"); //1.20.2 = d, >= 1.18 = c, 1.17 = getItemStack
+                    int slot = (int) ReflectionUtil.callDeclaredMethod(packetPlayInSetCreativeSlot, supports(20,4) ? "b" : supports(19, 4) ? "a" : supports(13) ? "b" : "a"); //1.20.4 - 1.19.4 = a, 1.19.3 - 1.13 and 1.20.5 = b, 1.12 = a
+                    Object nmsStack = ReflectionUtil.callDeclaredMethod(packetPlayInSetCreativeSlot, supports(20,4) ? "e" : supports(20, 2) ? "d" : supports(18) ? "c" : "getItemStack"); //1.20.5 = e, 1.20.2-1.20.4 = d, >= 1.18 = c, 1.17 = getItemStack
                     ItemStack craftStack = (ItemStack) ReflectionUtil.callMethod(craftStackClass, "asBukkitCopy", nmsStack);
 
                     boolean async = !MapReflectionAPI.getInstance().getServer().isPrimaryThread();