diff --git a/docs/translate.en.md b/docs/translate.en.md
index bfdc7699b..8ac65d356 100644
--- a/docs/translate.en.md
+++ b/docs/translate.en.md
@@ -4,7 +4,7 @@ Misskey's Translation
 If you find an untranslated part on Misskey:
 --------------------------------------------
 
-1. Look for untranslated parts in the miskey's source code.
+1. Look for untranslated parts in the misskey's source code.
 	- For instance, if you find an untranslated part in: `src/client/app/mobile/views/pages/home.vue`.
 
 2. Replace the untranslated portion with a character string of the form `%i18n:@foo%`.
diff --git a/package.json b/package.json
index a5a2a8043..495ec6e64 100644
--- a/package.json
+++ b/package.json
@@ -105,7 +105,7 @@
 		"eventemitter3": "3.1.0",
 		"exif-js": "2.3.0",
 		"file-loader": "1.1.11",
-		"file-type": "8.0.0",
+		"file-type": "8.1.0",
 		"fuckadblock": "3.2.1",
 		"gm": "1.23.1",
 		"gulp": "3.9.1",
@@ -122,7 +122,7 @@
 		"gulp-typescript": "4.0.2",
 		"gulp-uglify": "3.0.0",
 		"gulp-util": "3.0.8",
-		"hard-source-webpack-plugin": "0.10.1",
+		"hard-source-webpack-plugin": "0.11.0",
 		"highlight.js": "9.12.0",
 		"html-minifier": "3.5.18",
 		"http-signature": "1.2.0",
@@ -153,7 +153,7 @@
 		"monk": "6.0.6",
 		"ms": "2.1.1",
 		"nan": "2.10.0",
-		"node-sass": "4.9.1",
+		"node-sass": "4.9.2",
 		"node-sass-json-importer": "3.3.1",
 		"nprogress": "0.2.0",
 		"object-assign-deep": "0.4.0",
diff --git a/src/remote/activitypub/kernel/accept/follow.ts b/src/remote/activitypub/kernel/accept/follow.ts
index 0f414ba32..07c820c28 100644
--- a/src/remote/activitypub/kernel/accept/follow.ts
+++ b/src/remote/activitypub/kernel/accept/follow.ts
@@ -5,7 +5,7 @@ import accept from '../../../../services/following/requests/accept';
 import { IFollow } from '../../type';
 
 export default async (actor: IRemoteUser, activity: IFollow): Promise<void> => {
-	const id = typeof activity.object == 'string' ? activity.object : activity.object.id;
+	const id = typeof activity.actor == 'string' ? activity.actor : activity.actor.id;
 
 	if (!id.startsWith(config.url + '/')) {
 		return null;
diff --git a/src/remote/activitypub/kernel/reject/follow.ts b/src/remote/activitypub/kernel/reject/follow.ts
index c139865d0..35cd2ec0c 100644
--- a/src/remote/activitypub/kernel/reject/follow.ts
+++ b/src/remote/activitypub/kernel/reject/follow.ts
@@ -5,7 +5,7 @@ import reject from '../../../../services/following/requests/reject';
 import { IFollow } from '../../type';
 
 export default async (actor: IRemoteUser, activity: IFollow): Promise<void> => {
-	const id = typeof activity.object == 'string' ? activity.object : activity.object.id;
+	const id = typeof activity.actor == 'string' ? activity.actor : activity.actor.id;
 
 	if (!id.startsWith(config.url + '/')) {
 		return null;
diff --git a/src/remote/activitypub/kernel/undo/follow.ts b/src/remote/activitypub/kernel/undo/follow.ts
index 737798461..f112ee8bf 100644
--- a/src/remote/activitypub/kernel/undo/follow.ts
+++ b/src/remote/activitypub/kernel/undo/follow.ts
@@ -31,7 +31,7 @@ export default async (actor: IRemoteUser, activity: IFollow): Promise<void> => {
 	});
 
 	if (req) {
-		await cancelRequest(actor, followee);
+		await cancelRequest(followee, actor);
 	} else {
 		await unfollow(actor, followee);
 	}