diff --git a/src/field/pokemon.ts b/src/field/pokemon.ts
index 69cda81a6a7..5a09adfad9e 100644
--- a/src/field/pokemon.ts
+++ b/src/field/pokemon.ts
@@ -1112,8 +1112,11 @@ export default abstract class Pokemon extends Phaser.GameObjects.Container {
 
     let shinyThreshold = new Utils.IntegerHolder(32);
     if (thresholdOverride === undefined) {
-      if (!this.hasTrainer())
+      if (!this.hasTrainer()) {
+        if (new Date() < new Date('2024-05-21'))
+          shinyThreshold.value *= 3;
         this.scene.applyModifiers(ShinyRateBoosterModifier, true, shinyThreshold);
+      }
     } else
       shinyThreshold.value = thresholdOverride;