diff --git a/module/dialogs/DiceList.mjs b/module/dialogs/DiceList.mjs
index f9793de..3c305c8 100644
--- a/module/dialogs/DiceList.mjs
+++ b/module/dialogs/DiceList.mjs
@@ -12,7 +12,7 @@ export class DiceList extends GenericDialog {
 	};
 
 	static get defaultOptions() {
-		const opts = mergeObject({
+		const opts = foundry.utils.mergeObject({
 			...super.defaultOptions,
 			template: `systems/dotdungeon/templates/dialogs/diceList.hbs`,
 			width: 275,
diff --git a/module/models/Item/Aspect.mjs b/module/models/Item/Aspect.mjs
index eb1ffed..92b3eac 100644
--- a/module/models/Item/Aspect.mjs
+++ b/module/models/Item/Aspect.mjs
@@ -10,7 +10,7 @@ export class AspectItemData extends DescribedItemData {
 		delete parentSchema.quantity_affects_used_capacity;
 		delete parentSchema.usage_cost;
 
-		return mergeObject(parentSchema, {
+		return foundry.utils.mergeObject(parentSchema, {
 			used: new fields.BooleanField({ initial: false }),
 			/** The number of seconds that the effect of the aspect stays */
 			deactivateAfter: new fields.NumberField({ nullable: true }),
diff --git a/module/models/Item/DescribedItemData.mjs b/module/models/Item/DescribedItemData.mjs
index ebfce48..eb913a0 100644
--- a/module/models/Item/DescribedItemData.mjs
+++ b/module/models/Item/DescribedItemData.mjs
@@ -3,7 +3,7 @@ import { CommonItemData } from "./CommonItemData.mjs";
 export class DescribedItemData extends CommonItemData {
 	static defineSchema() {
 		const fields = foundry.data.fields;
-		return mergeObject(super.defineSchema(), {
+		return foundry.utils.mergeObject(super.defineSchema(), {
 			description: new fields.StringField({
 				initial: ``,
 				blank: true,
diff --git a/module/models/Item/Equipment.mjs b/module/models/Item/Equipment.mjs
index 82b58de..309fd3b 100644
--- a/module/models/Item/Equipment.mjs
+++ b/module/models/Item/Equipment.mjs
@@ -3,6 +3,6 @@ import { DescribedItemData } from "./DescribedItemData.mjs";
 export class EquipmentItemData extends DescribedItemData {
 	static defineSchema() {
 		const fields = foundry.data.fields;
-		return mergeObject(super.defineSchema(), {});
+		return foundry.utils.mergeObject(super.defineSchema(), {});
 	};
 };
diff --git a/module/models/Item/Pet.mjs b/module/models/Item/Pet.mjs
index 886e761..34c6de5 100644
--- a/module/models/Item/Pet.mjs
+++ b/module/models/Item/Pet.mjs
@@ -9,7 +9,7 @@ export class PetItemData extends DescribedItemData {
 		delete parentSchema.quantity_affects_used_capacity;
 		delete parentSchema.usage_cost;
 
-		return mergeObject(parentSchema, {
+		return foundry.utils.mergeObject(parentSchema, {
 			upkeep: new fields.NumberField({ initial: null, nullable: true }),
 			pokeballd: new fields.BooleanField({ initial: true }),
 		});
diff --git a/module/models/Item/Spell.mjs b/module/models/Item/Spell.mjs
index 6bd90f6..f96381f 100644
--- a/module/models/Item/Spell.mjs
+++ b/module/models/Item/Spell.mjs
@@ -4,7 +4,7 @@ import DOTDUNGEON from "../../config.mjs";
 export class SpellItemData extends DescribedItemData {
 	static defineSchema() {
 		const fields = foundry.data.fields;
-		return mergeObject(super.defineSchema(), {
+		return foundry.utils.mergeObject(super.defineSchema(), {
 			skill: new fields.StringField({
 				initial: ``,
 				blank: true,
diff --git a/module/models/Item/Weapon.mjs b/module/models/Item/Weapon.mjs
index 5b9cf67..20db6b7 100644
--- a/module/models/Item/Weapon.mjs
+++ b/module/models/Item/Weapon.mjs
@@ -4,7 +4,7 @@ import DOTDUNGEON from "../../config.mjs";
 export class WeaponItemData extends DescribedItemData {
 	static defineSchema() {
 		const fields = foundry.data.fields;
-		return mergeObject(super.defineSchema(), {
+		return foundry.utils.mergeObject(super.defineSchema(), {
 			damage: new fields.StringField({
 				initial: null,
 				nullable: true,
diff --git a/module/models/template.mjs b/module/models/template.mjs
index f3cea2a..77340ee 100644
--- a/module/models/template.mjs
+++ b/module/models/template.mjs
@@ -3,7 +3,7 @@ import { DescribedItemData } from "./DescribedItemData.mjs";
 export class TemplateData extends DescribedItemData {
 	static defineSchema() {
 		const fields = foundry.data.fields;
-		return mergeObject(super.defineSchema(), {
+		return foundry.utils.mergeObject(super.defineSchema(), {
 		});
 	};
 };
diff --git a/module/sheets/Actors/PC/PlayerSheetV2.mjs b/module/sheets/Actors/PC/PlayerSheetV2.mjs
index 9dd14ac..e39f7e3 100644
--- a/module/sheets/Actors/PC/PlayerSheetV2.mjs
+++ b/module/sheets/Actors/PC/PlayerSheetV2.mjs
@@ -6,7 +6,7 @@ import { GenericContextMenu } from "../../../utils/GenericContextMenu.mjs";
 
 export class PlayerSheetv2 extends GenericActorSheet {
 	static get defaultOptions() {
-		let opts = mergeObject(
+		let opts = foundry.utils.mergeObject(
 			super.defaultOptions,
 			{
 				template: `systems/dotdungeon/templates/actors/char-sheet/v2/sheet.hbs`,
diff --git a/module/sheets/GenericActorSheet.mjs b/module/sheets/GenericActorSheet.mjs
index 32b6d5e..50dcada 100644
--- a/module/sheets/GenericActorSheet.mjs
+++ b/module/sheets/GenericActorSheet.mjs
@@ -3,7 +3,7 @@ import DOTDUNGEON from "../config.mjs";
 
 export class GenericActorSheet extends ActorSheet {
 	static get defaultOptions() {
-		let opts = mergeObject(
+		let opts = foundry.utils.mergeObject(
 			super.defaultOptions,
 			{
 				scrollY: [`.scrollable`],
diff --git a/module/sheets/Items/AspectSheet.mjs b/module/sheets/Items/AspectSheet.mjs
index c43a01c..2bf8638 100644
--- a/module/sheets/Items/AspectSheet.mjs
+++ b/module/sheets/Items/AspectSheet.mjs
@@ -2,7 +2,7 @@ import { GenericItemSheet } from "./GenericItemSheet.mjs";
 
 export class AspectSheet extends GenericItemSheet {
 	static get defaultOptions() {
-		let opts = mergeObject(
+		let opts = foundry.utils.mergeObject(
 			super.defaultOptions,
 			{
 				template: `systems/dotdungeon/templates/items/aspect.hbs`,
diff --git a/module/sheets/Items/PetSheet.mjs b/module/sheets/Items/PetSheet.mjs
index 169516c..a2db3b9 100644
--- a/module/sheets/Items/PetSheet.mjs
+++ b/module/sheets/Items/PetSheet.mjs
@@ -2,7 +2,7 @@ import { GenericItemSheet } from "./GenericItemSheet.mjs";
 
 export class PetSheet extends GenericItemSheet {
 	static get defaultOptions() {
-		let opts = mergeObject(
+		let opts = foundry.utils.mergeObject(
 			super.defaultOptions,
 			{
 				template: `systems/dotdungeon/templates/items/pet.hbs`,
diff --git a/module/sheets/Items/SpellSheet.mjs b/module/sheets/Items/SpellSheet.mjs
index cabf2db..8e92831 100644
--- a/module/sheets/Items/SpellSheet.mjs
+++ b/module/sheets/Items/SpellSheet.mjs
@@ -2,7 +2,7 @@ import { GenericItemSheet } from "./GenericItemSheet.mjs";
 
 export class SpellSheet extends GenericItemSheet {
 	static get defaultOptions() {
-		let opts = mergeObject(
+		let opts = foundry.utils.mergeObject(
 			super.defaultOptions,
 			{
 				template: `systems/dotdungeon/templates/items/spell.hbs`,
diff --git a/module/sheets/Items/UntypedItemSheet.mjs b/module/sheets/Items/UntypedItemSheet.mjs
index 90061b0..a62b7dd 100644
--- a/module/sheets/Items/UntypedItemSheet.mjs
+++ b/module/sheets/Items/UntypedItemSheet.mjs
@@ -3,7 +3,7 @@ import { GenericItemSheet } from "./GenericItemSheet.mjs";
 
 export class UntypedItemSheet extends GenericItemSheet {
 	static get defaultOptions() {
-		let opts = mergeObject(
+		let opts = foundry.utils.mergeObject(
 			super.defaultOptions,
 			{
 				template: `systems/dotdungeon/templates/items/untyped/v2/index.hbs`,
diff --git a/module/sheets/MVPPCSheet.mjs b/module/sheets/MVPPCSheet.mjs
index 3572b25..a5f05f5 100644
--- a/module/sheets/MVPPCSheet.mjs
+++ b/module/sheets/MVPPCSheet.mjs
@@ -5,7 +5,7 @@ export class MVPPCSheet extends GenericActorSheet {
 	/** @override {ActorHandler} actor */
 
 	static get defaultOptions() {
-		let opts = mergeObject(
+		let opts = foundry.utils.mergeObject(
 			super.defaultOptions,
 			{
 				template: `systems/dotdungeon/templates/actors/char-sheet-mvp/sheet.hbs`
diff --git a/module/sheets/MobSheet.mjs b/module/sheets/MobSheet.mjs
index b2ecc06..b2f2213 100644
--- a/module/sheets/MobSheet.mjs
+++ b/module/sheets/MobSheet.mjs
@@ -3,7 +3,7 @@ import { DiceList } from "../dialogs/DiceList.mjs";
 
 export class MobSheet extends GenericActorSheet {
 	static get defaultOptions() {
-		let opts = mergeObject(
+		let opts = foundry.utils.mergeObject(
 			super.defaultOptions,
 			{
 				template: `systems/dotdungeon/templates/actors/mobs/main.hbs`,
diff --git a/module/sheets/SyncVariations/AbstractSyncSheet.mjs b/module/sheets/SyncVariations/AbstractSyncSheet.mjs
index 53bfdf1..80e372b 100644
--- a/module/sheets/SyncVariations/AbstractSyncSheet.mjs
+++ b/module/sheets/SyncVariations/AbstractSyncSheet.mjs
@@ -2,7 +2,7 @@ import { GenericActorSheet } from "../GenericActorSheet.mjs";
 
 export class AbstractSyncSheet extends GenericActorSheet {
 	static get defaultOptions() {
-		let opts = mergeObject(
+		let opts = foundry.utils.mergeObject(
 			super.defaultOptions,
 			{
 				width: 200,