diff --git a/package.json b/package.json
index b242b63006..611bad9f42 100644
--- a/package.json
+++ b/package.json
@@ -242,7 +242,7 @@
 		"uuid": "8.3.0",
 		"v-animate-css": "0.0.3",
 		"v-debounce": "0.1.2",
-		"vue": "git+https://github.com/vuejs/vue-next.git#ed4381020fcea0494f19f11bebabd9108f2dafd7",
+		"vue": "3.0.0-rc.5",
 		"vue-color": "2.7.1",
 		"vue-content-loading": "1.6.0",
 		"vue-cropperjs": "4.1.0",
diff --git a/src/client/components/note-header.vue b/src/client/components/note-header.vue
index 978f670fea..6e7a24b91f 100644
--- a/src/client/components/note-header.vue
+++ b/src/client/components/note-header.vue
@@ -9,7 +9,7 @@
 	<span class="moderator" v-if="!note.user.isAdmin && note.user.isModerator"><fa :icon="farBookmark"/></span>
 	<div class="info">
 		<span class="mobile" v-if="note.viaMobile"><fa :icon="faMobileAlt"/></span>
-		<router-link class="created-at" :to="note | notePage">
+		<router-link class="created-at" :to="notePage(note)">
 			<mk-time :time="note.createdAt"/>
 		</router-link>
 		<span class="visibility" v-if="note.visibility !== 'public'">
diff --git a/src/client/components/tab.vue b/src/client/components/tab.vue
index 824f150840..ec8b1a8708 100644
--- a/src/client/components/tab.vue
+++ b/src/client/components/tab.vue
@@ -5,9 +5,9 @@
 </template>
 
 <script lang="ts">
-import Vue from 'vue';
+import { defineComponent } from 'vue';
 
-export default Vue.extend({
+export default defineComponent({
 	props: {
 		items: {
 			type: Array,
diff --git a/src/client/pages/my-settings/word-mute.vue b/src/client/pages/my-settings/word-mute.vue
index 6b2a372f0b..63edc22452 100644
--- a/src/client/pages/my-settings/word-mute.vue
+++ b/src/client/pages/my-settings/word-mute.vue
@@ -25,14 +25,14 @@
 </template>
 
 <script lang="ts">
-import Vue from 'vue';
+import { defineComponent } from 'vue';
 import { faCommentSlash, faSave } from '@fortawesome/free-solid-svg-icons';
 import MkButton from '../../components/ui/button.vue';
 import MkTextarea from '../../components/ui/textarea.vue';
 import MkTab from '../../components/tab.vue';
 import MkInfo from '../../components/ui/info.vue';
 
-export default Vue.extend({
+export default defineComponent({
 	components: {
 		MkButton,
 		MkTextarea,
diff --git a/src/client/widgets/define.ts b/src/client/widgets/define.ts
index 42111bde0f..c91a2f992a 100644
--- a/src/client/widgets/define.ts
+++ b/src/client/widgets/define.ts
@@ -46,7 +46,7 @@ export default function <T extends Form>(data: {
 					const defaultProps = data.props();
 					for (const prop of Object.keys(defaultProps)) {
 						if (this.props.hasOwnProperty(prop)) continue;
-						Vue.set(this.props, prop, defaultProps[prop].default);
+						this.props[prop] = defaultProps[prop].default;
 					}
 				}
 			},
@@ -60,7 +60,7 @@ export default function <T extends Form>(data: {
 				if (canceled) return;
 
 				for (const key of Object.keys(result)) {
-					Vue.set(this.props, key, result[key]);
+					this.props[key] = result[key];
 				}
 
 				this.save();
diff --git a/yarn.lock b/yarn.lock
index 2b00916c64..8bc0b1517c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -967,6 +967,17 @@
     estree-walker "^2.0.1"
     source-map "^0.6.1"
 
+"@vue/compiler-core@3.0.0-rc.5":
+  version "3.0.0-rc.5"
+  resolved "https://registry.yarnpkg.com/@vue/compiler-core/-/compiler-core-3.0.0-rc.5.tgz#dd4f1816fcae34a81bc60e584f97993cad284d54"
+  integrity sha512-dNz5AObEYg0Oglw3emIsBhTAOVfObrfxDaAzR0UTRDDq+Ohfr6KTSaVQAH88Ym+oa08ZlLZBFc6ARe9doAOIxg==
+  dependencies:
+    "@babel/parser" "^7.10.4"
+    "@babel/types" "^7.10.4"
+    "@vue/shared" "3.0.0-rc.5"
+    estree-walker "^2.0.1"
+    source-map "^0.6.1"
+
 "@vue/compiler-dom@3.0.0-rc.2":
   version "3.0.0-rc.2"
   resolved "https://registry.yarnpkg.com/@vue/compiler-dom/-/compiler-dom-3.0.0-rc.2.tgz#e56ea950d946ab316755fd1fcabfa627c6741ba3"
@@ -975,6 +986,14 @@
     "@vue/compiler-core" "3.0.0-rc.2"
     "@vue/shared" "3.0.0-rc.2"
 
+"@vue/compiler-dom@3.0.0-rc.5":
+  version "3.0.0-rc.5"
+  resolved "https://registry.yarnpkg.com/@vue/compiler-dom/-/compiler-dom-3.0.0-rc.5.tgz#83905e8601123a3654b90fbd80708a16530ce21a"
+  integrity sha512-z8n+R1GhFnWuKURLYxfVSEfP7nSNM91qteobxwys55fhlZZuReouMnUwgrn+ois/IL6RdFlT9H+n4+N6yLrdJA==
+  dependencies:
+    "@vue/compiler-core" "3.0.0-rc.5"
+    "@vue/shared" "3.0.0-rc.5"
+
 "@vue/compiler-sfc@3.0.0-rc.2":
   version "3.0.0-rc.2"
   resolved "https://registry.yarnpkg.com/@vue/compiler-sfc/-/compiler-sfc-3.0.0-rc.2.tgz#c92ef9ddb6fdd37d1c5a5dba53af7e4384aa9e31"
@@ -1005,11 +1024,40 @@
     "@vue/compiler-dom" "3.0.0-rc.2"
     "@vue/shared" "3.0.0-rc.2"
 
+"@vue/reactivity@3.0.0-rc.5":
+  version "3.0.0-rc.5"
+  resolved "https://registry.yarnpkg.com/@vue/reactivity/-/reactivity-3.0.0-rc.5.tgz#45cff8d839d7ad130b1e499239090050fdecff13"
+  integrity sha512-oe9C+1jtWUdYL/iNc0OPWbwgOk2rOW2uQ+exx3I6Jo6PKOmnAiPkMElalf9vRnO53rnUphVecMp8BlTJvcNgDw==
+  dependencies:
+    "@vue/shared" "3.0.0-rc.5"
+
+"@vue/runtime-core@3.0.0-rc.5":
+  version "3.0.0-rc.5"
+  resolved "https://registry.yarnpkg.com/@vue/runtime-core/-/runtime-core-3.0.0-rc.5.tgz#dd59af3a5fc089d1cdc05a657320c0dc17e5c362"
+  integrity sha512-MRIWreFigxdRuI2moFociUL5rVBfgYPrT7rWfQ0XfOyW46b+AiuCJyZvgbsRXwkAERfW1Tb/mY5forYjX2thOg==
+  dependencies:
+    "@vue/reactivity" "3.0.0-rc.5"
+    "@vue/shared" "3.0.0-rc.5"
+
+"@vue/runtime-dom@3.0.0-rc.5":
+  version "3.0.0-rc.5"
+  resolved "https://registry.yarnpkg.com/@vue/runtime-dom/-/runtime-dom-3.0.0-rc.5.tgz#2fd75a1f29b23abf0ffe5ccdedabda11721c5b5b"
+  integrity sha512-0jwpO3MBqMToq7qC816Z8Y6G8aN4ZKbv7MupgRaepzxhiK0sXcjLQmOATP3g/NyX52UCBJS4wAwsxidqGnAabA==
+  dependencies:
+    "@vue/runtime-core" "3.0.0-rc.5"
+    "@vue/shared" "3.0.0-rc.5"
+    csstype "^2.6.8"
+
 "@vue/shared@3.0.0-rc.2":
   version "3.0.0-rc.2"
   resolved "https://registry.yarnpkg.com/@vue/shared/-/shared-3.0.0-rc.2.tgz#bffe0a53eb2f6ce50def4613a6963e948c29ed83"
   integrity sha512-lJ1jb5PEDoSTosKdOyFh9/GpSFY/d9HXkG126aJXM4WgvJaf+OVKUWKZSgqolKLLIOJHG9ZcQt4OQyoktMenBg==
 
+"@vue/shared@3.0.0-rc.5":
+  version "3.0.0-rc.5"
+  resolved "https://registry.yarnpkg.com/@vue/shared/-/shared-3.0.0-rc.5.tgz#cea2378e3e37363ddc1f5dd158edc9c9b5b3fff0"
+  integrity sha512-ZhcgGzBpp+pUzisZgQpM4ctIGgLpYjBj7/rZfbhEPxFHF/BuTV2jmhXvAl8aF9xDAejIcw85xCy92gDSwKtPag==
+
 "@webassemblyjs/ast@1.9.0":
   version "1.9.0"
   resolved "https://registry.yarnpkg.com/@webassemblyjs/ast/-/ast-1.9.0.tgz#bd850604b4042459a5a41cd7d338cbed695ed964"
@@ -2836,6 +2884,11 @@ cssstyle@^2.2.0:
   dependencies:
     cssom "~0.3.6"
 
+csstype@^2.6.8:
+  version "2.6.13"
+  resolved "https://registry.yarnpkg.com/csstype/-/csstype-2.6.13.tgz#a6893015b90e84dd6e85d0e3b442a1e84f2dbe0f"
+  integrity sha512-ul26pfSQTZW8dcOnD2iiJssfXw0gdNVX9IJDH/X3K5DGPfj+fUYe3kB+swUY6BF3oZDxaID3AJt+9/ojSAE05A==
+
 d@1, d@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/d/-/d-1.0.1.tgz#8698095372d58dbee346ffd0c7093f99f8f9eb5a"
@@ -10126,15 +10179,20 @@ vue-template-compiler@2.6.11:
     de-indent "^1.0.2"
     he "^1.1.0"
 
+vue@3.0.0-rc.5:
+  version "3.0.0-rc.5"
+  resolved "https://registry.yarnpkg.com/vue/-/vue-3.0.0-rc.5.tgz#973175d45a892b3bd23ef5de7faa4add9c66275f"
+  integrity sha512-8t8Y4sHMBGD5iLZ7JfBGmKBJlzesPoL+/nW9EV8s+4LwnKC4rGlRp+Lj2rcign4iQaj0GFaL7DrQ8IoOfVX6+w==
+  dependencies:
+    "@vue/compiler-dom" "3.0.0-rc.5"
+    "@vue/runtime-dom" "3.0.0-rc.5"
+    "@vue/shared" "3.0.0-rc.5"
+
 vue@^2.5.13, vue@^2.5.17:
   version "2.6.11"
   resolved "https://registry.yarnpkg.com/vue/-/vue-2.6.11.tgz#76594d877d4b12234406e84e35275c6d514125c5"
   integrity sha512-VfPwgcGABbGAue9+sfrD4PuwFar7gPb1yl1UK1MwXoQPAw0BKSqWfoYCT/ThFrdEVWoI51dBuyCoiNU9bZDZxQ==
 
-"vue@git+https://github.com/vuejs/vue-next.git#ed4381020fcea0494f19f11bebabd9108f2dafd7":
-  version "3.0.0-rc.5"
-  resolved "git+https://github.com/vuejs/vue-next.git#ed4381020fcea0494f19f11bebabd9108f2dafd7"
-
 vuedraggable@2.24.0:
   version "2.24.0"
   resolved "https://registry.yarnpkg.com/vuedraggable/-/vuedraggable-2.24.0.tgz#1ee069eeb91f61fcb540faf20f1c6b2d4d990a26"