--- a/net/minecraft/entity/ai/attributes/Attribute.java
+++ b/net/minecraft/entity/ai/attributes/Attribute.java
@@ -1,6 +1,6 @@
 package net.minecraft.entity.ai.attributes;
 
-public class Attribute {
+public class Attribute extends net.minecraftforge.registries.ForgeRegistryEntry<Attribute> {
    private final double field_233750_a_;
    private boolean field_233751_b_;
    private final String field_233752_c_;
