diff --git a/README.md b/README.md
index f48e8a8..95ff744 100644
--- a/README.md
+++ b/README.md
@@ -32,7 +32,7 @@ This project also includes code from [adventure](https://github.com/KyoriPowered
 <dependency>
     <groupId>com.viaversion</groupId>
     <artifactId>nbt</artifactId>
-    <version>3.0.0</version>
+    <version>3.1.0</version>
 </dependency>
 ```
 
diff --git a/pom.xml b/pom.xml
index 7cbe020..5fe8ea9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>com.viaversion</groupId>
     <artifactId>nbt</artifactId>
-    <version>3.0.0</version>
+    <version>3.1.0</version>
     <packaging>jar</packaging>
 
     <name>ViaNBT</name>
diff --git a/src/main/java/com/github/steveice10/opennbt/tag/builtin/ListTag.java b/src/main/java/com/github/steveice10/opennbt/tag/builtin/ListTag.java
index c701523..04f213a 100644
--- a/src/main/java/com/github/steveice10/opennbt/tag/builtin/ListTag.java
+++ b/src/main/java/com/github/steveice10/opennbt/tag/builtin/ListTag.java
@@ -77,7 +77,7 @@ public class ListTag extends Tag implements Iterable<Tag> {
      *
      * @return The ListTag's element type, or null if the list does not yet have a defined type.
      */
-    public Class<? extends Tag> getElementType() {
+    public @Nullable Class<? extends Tag> getElementType() {
         return this.type;
     }
 
diff --git a/src/main/java/com/github/steveice10/opennbt/tag/builtin/NumberTag.java b/src/main/java/com/github/steveice10/opennbt/tag/builtin/NumberTag.java
index 13942f5..bccccd7 100644
--- a/src/main/java/com/github/steveice10/opennbt/tag/builtin/NumberTag.java
+++ b/src/main/java/com/github/steveice10/opennbt/tag/builtin/NumberTag.java
@@ -46,4 +46,16 @@ public abstract class NumberTag extends Tag {
      * @return Double value of this tag.
      */
     public abstract double asDouble();
+
+    /**
+     * Gets the boolean value of this tag.
+     * <p>
+     * Booleans do not have a direct nbt representation in NBT per se,
+     * but check whether a number value is different to 0.
+     *
+     * @return Boolean value of this tag.
+     */
+    public boolean asBoolean() {
+        return this.asByte() != 0;
+    }
 }