diff --git a/src/module/powers/balefulPolymorph.js b/src/module/powers/balefulPolymorph.js
index 2ac3233..7debc02 100644
--- a/src/module/powers/balefulPolymorph.js
+++ b/src/module/powers/balefulPolymorph.js
@@ -146,9 +146,9 @@ export class BalefulPolymorphEffect extends ActorFolderEffect {
 
   get spawnUpdates() {
     const updates = super.spawnUpdates;
-    mergeObject(updates.actor, this.data.actorUpdates);
-    mergeObject(updates.token, this.data.tokenUpdates);
-    mergeObject(updates.embedded, this.data.embeddedUpdates);
+    foundry.utils.mergeObject(updates.actor, this.data.actorUpdates);
+    foundry.utils.mergeObject(updates.token, this.data.tokenUpdates);
+    foundry.utils.mergeObject(updates.embedded, this.data.embeddedUpdates);
     return updates;
   }
 
diff --git a/src/module/powers/basePowers.js b/src/module/powers/basePowers.js
index 673f57f..492248a 100644
--- a/src/module/powers/basePowers.js
+++ b/src/module/powers/basePowers.js
@@ -39,7 +39,7 @@ export class PowerFormApplication extends FormApplication {
   }
 
   static get defaultOptions() {
-    return mergeObject(super.defaultOptions, {
+    return foundry.utils.mergeObject(super.defaultOptions, {
       classes: ['sheet', 'mbSwadeForm', 'mbSwadePowerEffectsForm'],
       popOut: true,
       template: templates['powerDialog.html'],
diff --git a/src/module/powers/entangle.js b/src/module/powers/entangle.js
index 33a2d4e..ee72adb 100644
--- a/src/module/powers/entangle.js
+++ b/src/module/powers/entangle.js
@@ -78,7 +78,7 @@ export class EntangleEffect extends PowerEffect {
     const docLabel = this.data.raise ? 'SWADE.Bound' : 'SWADE.Entangled';
     const docName = this.data.raise ? 'Bound' : 'Entangled';
     const doc = await PowerEffect.getStatus(docLabel, docName, false);
-    doc.flags = mergeObject(doc.flags ?? {}, {
+    doc.flags = foundry.utils.mergeObject(doc.flags ?? {}, {
       [moduleName]: {
         powerEffect: true,
         maintId,
diff --git a/src/module/powers/fly.js b/src/module/powers/fly.js
index 3a25e49..167f9b4 100644
--- a/src/module/powers/fly.js
+++ b/src/module/powers/fly.js
@@ -50,7 +50,7 @@ export class FlyEffect extends PowerEffect {
     const docName = 'Flying';
     const doc = await PowerEffect.getStatus(docLabel, docName, false);
     doc.description = `<p>From <strong>${this.source.name}</strong> casting <em>${this.name}</em></p>`;
-    doc.flags = mergeObject(doc.flags ?? {}, { [moduleName]: { powerEffect: true } });
+    doc.flags = foundry.utils.mergeObject(doc.flags ?? {}, { [moduleName]: { powerEffect: true } });
     this.baseEffectDoc = doc;
   }
 
diff --git a/src/module/powers/invisibility.js b/src/module/powers/invisibility.js
index 95a99f0..a3fb2b9 100644
--- a/src/module/powers/invisibility.js
+++ b/src/module/powers/invisibility.js
@@ -69,7 +69,7 @@ export class InvisibliltyEffect extends PowerEffect {
     await super.parseValues();
     const doc = await PowerEffect.getStatus('EFFECT.StatusInvisible', 'Invisible');
     doc.description = `<p>From <strong>${this.source.name}</strong> casting <em>${this.name}</em></p>`;
-    doc.flags = mergeObject(doc.flags ?? {}, { [moduleName]: { powerEffect: true } });
+    doc.flags = foundry.utils.mergeObject(doc.flags ?? {}, { [moduleName]: { powerEffect: true } });
     this.basePrimaryEffectDoc = doc;
   }
 
diff --git a/src/module/powers/protection.js b/src/module/powers/protection.js
index 29b2f44..f80166f 100644
--- a/src/module/powers/protection.js
+++ b/src/module/powers/protection.js
@@ -33,7 +33,7 @@ export class ProtectionEffect extends PowerEffect {
   async parseValues() {
     await super.parseValues();
     const doc = await PowerEffect.getStatus('SWADE.Protection', 'Protection', false);
-    doc.flags = mergeObject(doc.flags ?? {}, { [moduleName]: { powerEffect: true } });
+    doc.flags = foundry.utils.mergeObject(doc.flags ?? {}, { [moduleName]: { powerEffect: true } });
     this.data.effect = doc;
   }
 
diff --git a/src/module/powers/shapeChange.js b/src/module/powers/shapeChange.js
index 4a9d278..7124fa5 100644
--- a/src/module/powers/shapeChange.js
+++ b/src/module/powers/shapeChange.js
@@ -190,9 +190,9 @@ export class ShapeChangeEffect extends ActorFolderEffect {
 
   get spawnUpdates() {
     const updates = super.spawnUpdates;
-    mergeObject(updates.actor, this.data.actorUpdates);
-    mergeObject(updates.token, this.data.tokenUpdates);
-    mergeObject(updates.embedded, this.data.embeddedUpdates);
+    foundry.utils.mergeObject(updates.actor, this.data.actorUpdates);
+    foundry.utils.mergeObject(updates.token, this.data.tokenUpdates);
+    foundry.utils.mergeObject(updates.embedded, this.data.embeddedUpdates);
     return updates;
   }
 
diff --git a/src/module/powers/smite.js b/src/module/powers/smite.js
index be12054..19925be 100644
--- a/src/module/powers/smite.js
+++ b/src/module/powers/smite.js
@@ -110,9 +110,9 @@ class SpiritualWeaponEffect extends BaseSummonEffect {
 
   get spawnUpdates() {
     const updates = super.spawnUpdates;
-    mergeObject(updates.actor, this.data.actorUpdates);
-    mergeObject(updates.token, this.data.tokenUpdates);
-    mergeObject(updates.embedded, this.data.embeddedUpdates);
+    foundry.utils.mergeObject(updates.actor, this.data.actorUpdates);
+    foundry.utils.mergeObject(updates.token, this.data.tokenUpdates);
+    foundry.utils.mergeObject(updates.embedded, this.data.embeddedUpdates);
     return updates;
   }
 
@@ -187,7 +187,7 @@ export class SmiteEffect extends PowerEffect {
   async parseValues() {
     await super.parseValues();
     this.baseDoc = await PowerEffect.getStatus('SWADE.Smite', 'Smite', false);
-    this.baseDoc.flags = mergeObject(this.baseDoc.flags ?? {}, {
+    this.baseDoc.flags = foundry.utils.mergeObject(this.baseDoc.flags ?? {}, {
       [moduleName]: { powerEffect: true },
     });
     this.data.bonus = (this.data.raise ? 4 : 2) + (this.data.greater ? 2 : 0);
diff --git a/src/module/powers/summon.js b/src/module/powers/summon.js
index 9e92a77..f95501c 100644
--- a/src/module/powers/summon.js
+++ b/src/module/powers/summon.js
@@ -220,9 +220,9 @@ class BaseAllyEffect extends BaseSummonEffect {
 
   get spawnUpdates() {
     const updates = super.spawnUpdates;
-    mergeObject(updates.actor, this.data.actorUpdates);
-    mergeObject(updates.token, this.data.tokenUpdates);
-    mergeObject(updates.embedded, this.data.embeddedUpdates);
+    foundry.utils.mergeObject(updates.actor, this.data.actorUpdates);
+    foundry.utils.mergeObject(updates.token, this.data.tokenUpdates);
+    foundry.utils.mergeObject(updates.embedded, this.data.embeddedUpdates);
     return updates;
   }
 
@@ -335,7 +335,7 @@ export class SummonAllyEffect extends BaseAllyEffect {
       return;
     }
     const mirrorActor = this.source.actor;
-    mergeObject(this.data.actorUpdates, {
+    foundry.utils.mergeObject(this.data.actorUpdates, {
       system: mirrorActor.system
         .clone({
           'fatigue.value': 0,
@@ -349,7 +349,7 @@ export class SummonAllyEffect extends BaseAllyEffect {
       img: mirrorActor.img,
     });
     this.data.actorUpdates.system.wildcard = false;
-    mergeObject(this.data.tokenUpdates, {
+    foundry.utils.mergeObject(this.data.tokenUpdates, {
       name: `Mirror ${this.source.name}`,
       texture: {
         src: this.source.document.texture.src,
diff --git a/src/module/powers/summonSupport.js b/src/module/powers/summonSupport.js
index a254095..aa627a6 100644
--- a/src/module/powers/summonSupport.js
+++ b/src/module/powers/summonSupport.js
@@ -55,7 +55,7 @@ export class SummonCostApplication extends FormApplication {
   }
 
   static get defaultOptions() {
-    return mergeObject(super.defaultOptions, {
+    return foundry.utils.mergeObject(super.defaultOptions, {
       classes: ['sheet', 'mbSwadeForm', 'mbSwadeSummonCostForm'],
       popOut: true,
       template: templates['summonCosts.html'],
@@ -126,7 +126,7 @@ export class SummonCostApplication extends FormApplication {
     for (const key of Object.keys(updates)) {
       const update = updates[key];
       const flagValue = this.actors[key].getFlag(moduleName, 'summonData') ?? {};
-      mergeObject(flagValue, update);
+      foundry.utils.mergeObject(flagValue, update);
       const result = this.actors[key].setFlag(moduleName, 'summonData', flagValue);
       console.log('update', key, result);
     }
diff --git a/src/module/powers/warriorsGift.js b/src/module/powers/warriorsGift.js
index c3e6e27..385e752 100644
--- a/src/module/powers/warriorsGift.js
+++ b/src/module/powers/warriorsGift.js
@@ -129,7 +129,7 @@ export class WarriorsGiftEffect extends PowerEffect {
           continue;
         }
         const edgeDoc = edge.toObject();
-        mergeObject(edgeDoc, {
+        foundry.utils.mergeObject(edgeDoc, {
           name: `${edge.name} (from ${this.name})`,
           flags: { [moduleName]: { maintId: this.data.maintId } },
         });
diff --git a/src/module/powers/zombie.js b/src/module/powers/zombie.js
index 1706951..1579453 100644
--- a/src/module/powers/zombie.js
+++ b/src/module/powers/zombie.js
@@ -227,9 +227,9 @@ export class ZombieEffect extends BaseSummonEffect {
 
   get spawnUpdates() {
     const updates = super.spawnUpdates;
-    mergeObject(updates.actor, this.data.actorUpdates);
-    mergeObject(updates.token, this.data.tokenUpdates);
-    mergeObject(updates.embedded, this.data.embeddedUpdates);
+    foundry.utils.mergeObject(updates.actor, this.data.actorUpdates);
+    foundry.utils.mergeObject(updates.token, this.data.tokenUpdates);
+    foundry.utils.mergeObject(updates.embedded, this.data.embeddedUpdates);
     return updates;
   }