diff --git a/InvUI/src/main/java/de/studiocode/invui/item/builder/PotionBuilder.java b/InvUI/src/main/java/de/studiocode/invui/item/builder/PotionBuilder.java
index a89d6c5..c8d9ede 100644
--- a/InvUI/src/main/java/de/studiocode/invui/item/builder/PotionBuilder.java
+++ b/InvUI/src/main/java/de/studiocode/invui/item/builder/PotionBuilder.java
@@ -10,7 +10,7 @@ import org.bukkit.potion.PotionEffect;
 import java.util.ArrayList;
 import java.util.List;
 
-public class PotionBuilder extends BaseItemBuilder<PotionBuilder> {
+public final class PotionBuilder extends BaseItemBuilder<PotionBuilder> {
     
     private List<PotionEffect> effects = new ArrayList<>();
     private Color color;