diff --git a/README.md b/README.md
index 548bf80..b2a8f1f 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,7 @@ First, include the API using Maven:
 <dependency>
   <groupId>tech.sbdevelopment</groupId>
   <artifactId>MapReflectionAPI</artifactId>
-  <version>1.4.3</version>
+  <version>1.5.1</version>
   <scope>provided</scope>
 </dependency>
 ```
diff --git a/pom.xml b/pom.xml
index 361046c..42a77e5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -24,7 +24,7 @@
 
     <groupId>tech.sbdevelopment</groupId>
     <artifactId>MapReflectionAPI</artifactId>
-    <version>1.4.4</version>
+    <version>1.5.1</version>
     <packaging>jar</packaging>
 
     <name>MapReflectionAPI</name>
@@ -161,7 +161,7 @@
         <dependency>
             <groupId>org.spigotmc</groupId>
             <artifactId>spigot-api</artifactId>
-            <version>1.19.4-R0.1-SNAPSHOT</version>
+            <version>1.20.1-R0.1-SNAPSHOT</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
diff --git a/src/main/java/tech/sbdevelopment/mapreflectionapi/api/MapWrapper.java b/src/main/java/tech/sbdevelopment/mapreflectionapi/api/MapWrapper.java
index 76d828a..9cece07 100644
--- a/src/main/java/tech/sbdevelopment/mapreflectionapi/api/MapWrapper.java
+++ b/src/main/java/tech/sbdevelopment/mapreflectionapi/api/MapWrapper.java
@@ -302,7 +302,9 @@ public class MapWrapper extends AbstractMapWrapper {
 
             if (ReflectionUtil.supports(13)) {
                 String nbtObjectName;
-                if (ReflectionUtil.supports(19)) { //1.19
+                if (ReflectionUtil.supports(20)) { //1.20
+                    nbtObjectName = "w";
+                } else if (ReflectionUtil.supports(19)) { //1.19
                     nbtObjectName = "v";
                 } else if (ReflectionUtil.supports(18)) { //1.18
                     nbtObjectName = ReflectionUtil.VER_MINOR == 1 ? "t" : "u"; //1.18.1 = t, 1.18(.2) = u