diff --git a/paper-api/src/main/java/org/bukkit/event/entity/CreatureSpawnEvent.java b/paper-api/src/main/java/org/bukkit/event/entity/CreatureSpawnEvent.java
index 330bcc65c1..90b287cd2c 100644
--- a/paper-api/src/main/java/org/bukkit/event/entity/CreatureSpawnEvent.java
+++ b/paper-api/src/main/java/org/bukkit/event/entity/CreatureSpawnEvent.java
@@ -63,6 +63,10 @@ public class CreatureSpawnEvent extends EntitySpawnEvent {
          * When a creature spawns from a spawner
          */
         SPAWNER,
+        /**
+         * When a creature spawns from a trial spawner
+         */
+        TRIAL_SPAWNER,
         /**
          * When a creature spawns from an egg
          */