diff --git a/package.json b/package.json
index 586bf1a..3fb9e73 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "activitypub-types",
-	"version": "1.1.0",
+	"version": "1.1.1",
 	"description": "ActivityPub Typescript types",
 	"main": "./dist/index.js",
 	"scripts": {
diff --git a/src/model-interfaces/actors/application.interface.ts b/src/model-interfaces/actors/application.interface.ts
index a7a0ad2..20e3bb6 100644
--- a/src/model-interfaces/actors/application.interface.ts
+++ b/src/model-interfaces/actors/application.interface.ts
@@ -1,7 +1,10 @@
+import { APObject } from "../common/object.interface";
 import { APActor } from "./actor.interface";
 
 export type APApplication = APActor & { type: "Application" };
 
-export const ActorIsApplication = (actor: APActor): actor is APApplication => {
+export const ObjectIsApplication = (
+	actor: APObject,
+): actor is APApplication => {
 	return actor.type == "Application";
 };
diff --git a/src/model-interfaces/actors/group.interface.ts b/src/model-interfaces/actors/group.interface.ts
index d9ece01..97fbe4d 100644
--- a/src/model-interfaces/actors/group.interface.ts
+++ b/src/model-interfaces/actors/group.interface.ts
@@ -1,7 +1,8 @@
+import { APObject } from "../common/object.interface";
 import { APActor } from "./actor.interface";
 
 export type APGroup = APActor & { type: "Group" };
 
-export const ActorIsGroup = (actor: APActor): actor is APGroup => {
+export const ObjectIsGroup = (actor: APObject): actor is APGroup => {
 	return actor.type == "Group";
 };
diff --git a/src/model-interfaces/actors/organization.interface.ts b/src/model-interfaces/actors/organization.interface.ts
index 3a39a3a..14fb346 100644
--- a/src/model-interfaces/actors/organization.interface.ts
+++ b/src/model-interfaces/actors/organization.interface.ts
@@ -1,9 +1,10 @@
+import { APObject } from "../common/object.interface";
 import { APActor } from "./actor.interface";
 
 export type APOrganization = APActor & { type: "Organization" };
 
-export const ActorIsOrganization = (
-	actor: APActor,
+export const ObjectIsOrganization = (
+	actor: APObject,
 ): actor is APOrganization => {
 	return actor.type == "Organization";
 };
diff --git a/src/model-interfaces/actors/person.interface.ts b/src/model-interfaces/actors/person.interface.ts
index 01660cc..68742f9 100644
--- a/src/model-interfaces/actors/person.interface.ts
+++ b/src/model-interfaces/actors/person.interface.ts
@@ -1,7 +1,8 @@
+import { APObject } from "../common/object.interface";
 import { APActor } from "./actor.interface";
 
 export type APPerson = APActor & { type: "Person" };
 
-export const ActorIsPerson = (actor: APActor): actor is APPerson => {
+export const ObjectIsPerson = (actor: APObject): actor is APPerson => {
 	return actor.type == "Person";
 };
diff --git a/src/model-interfaces/actors/service.interface.ts b/src/model-interfaces/actors/service.interface.ts
index bb436b3..0728260 100644
--- a/src/model-interfaces/actors/service.interface.ts
+++ b/src/model-interfaces/actors/service.interface.ts
@@ -1,7 +1,8 @@
+import { APObject } from "../common/object.interface";
 import { APActor } from "./actor.interface";
 
 export type APService = APActor & { type: "Service" };
 
-export const ActorIsService = (actor: APActor): actor is APService => {
+export const ObjectIsService = (actor: APObject): actor is APService => {
 	return actor.type == "Service";
 };