diff --git a/src/data/pokemon-forms.ts b/src/data/pokemon-forms.ts
index da6bac42ac7..77991ee6434 100644
--- a/src/data/pokemon-forms.ts
+++ b/src/data/pokemon-forms.ts
@@ -363,7 +363,8 @@ export const pokemonFormChanges: PokemonFormChanges = {
     new SpeciesFormChange(Species.PIDGEOT, "", SpeciesFormKey.MEGA, new SpeciesFormChangeItemTrigger(FormChangeItem.PIDGEOTITE))
   ],
   [Species.PIKACHU]: [
-    new SpeciesFormChange(Species.PIKACHU, "", SpeciesFormKey.GIGANTAMAX, new SpeciesFormChangeItemTrigger(FormChangeItem.MAX_MUSHROOMS))
+    new SpeciesFormChange(Species.PIKACHU, "", SpeciesFormKey.GIGANTAMAX, new SpeciesFormChangeItemTrigger(FormChangeItem.MAX_MUSHROOMS)),
+    new SpeciesFormChange(Species.PIKACHU, "partner", SpeciesFormKey.GIGANTAMAX, new SpeciesFormChangeItemTrigger(FormChangeItem.MAX_MUSHROOMS))
   ],
   [Species.MEOWTH]: [
     new SpeciesFormChange(Species.MEOWTH, "", SpeciesFormKey.GIGANTAMAX, new SpeciesFormChangeItemTrigger(FormChangeItem.MAX_MUSHROOMS))
@@ -397,7 +398,8 @@ export const pokemonFormChanges: PokemonFormChanges = {
     new SpeciesFormChange(Species.LAPRAS, "", SpeciesFormKey.GIGANTAMAX, new SpeciesFormChangeItemTrigger(FormChangeItem.MAX_MUSHROOMS))
   ],
   [Species.EEVEE]: [
-    new SpeciesFormChange(Species.EEVEE, "", SpeciesFormKey.GIGANTAMAX, new SpeciesFormChangeItemTrigger(FormChangeItem.MAX_MUSHROOMS))
+    new SpeciesFormChange(Species.EEVEE, "", SpeciesFormKey.GIGANTAMAX, new SpeciesFormChangeItemTrigger(FormChangeItem.MAX_MUSHROOMS)),
+    new SpeciesFormChange(Species.EEVEE, "partner", SpeciesFormKey.GIGANTAMAX, new SpeciesFormChangeItemTrigger(FormChangeItem.MAX_MUSHROOMS))
   ],
   [Species.SNORLAX]: [
     new SpeciesFormChange(Species.SNORLAX, "", SpeciesFormKey.GIGANTAMAX, new SpeciesFormChangeItemTrigger(FormChangeItem.MAX_MUSHROOMS))