diff --git a/package.json b/package.json
index b604c75f9c..954a8cc628 100644
--- a/package.json
+++ b/package.json
@@ -88,6 +88,7 @@
 		"@types/parsimmon": "1.10.6",
 		"@types/portscanner": "2.1.0",
 		"@types/pug": "2.0.4",
+		"@types/punycode": "2.1.0",
 		"@types/qrcode": "1.4.0",
 		"@types/random-seed": "0.3.3",
 		"@types/ratelimiter": "3.4.1",
diff --git a/src/client/components/global/acct.vue b/src/client/components/global/acct.vue
index a969636a7e..e3601ff797 100644
--- a/src/client/components/global/acct.vue
+++ b/src/client/components/global/acct.vue
@@ -7,7 +7,7 @@
 
 <script lang="ts">
 import { defineComponent } from 'vue';
-import { toUnicode } from 'punycode';
+import { toUnicode } from 'punycode/';
 import { host } from '@client/config';
 
 export default defineComponent({
diff --git a/src/client/components/global/url.vue b/src/client/components/global/url.vue
index c89536ebdb..f68a3c00be 100644
--- a/src/client/components/global/url.vue
+++ b/src/client/components/global/url.vue
@@ -22,7 +22,7 @@
 <script lang="ts">
 import { defineComponent } from 'vue';
 import { faExternalLinkSquareAlt } from '@fortawesome/free-solid-svg-icons';
-import { toUnicode as decodePunycode } from 'punycode';
+import { toUnicode as decodePunycode } from 'punycode/';
 import { url as local } from '@client/config';
 import { isDeviceTouch } from '@client/scripts/is-device-touch';
 import * as os from '@client/os';
diff --git a/src/client/components/mention.vue b/src/client/components/mention.vue
index 322e56d957..b9bd6b320b 100644
--- a/src/client/components/mention.vue
+++ b/src/client/components/mention.vue
@@ -16,7 +16,7 @@
 
 <script lang="ts">
 import { defineComponent } from 'vue';
-import { toUnicode } from 'punycode';
+import { toUnicode } from 'punycode/';
 import { host as localHost } from '@client/config';
 import { wellKnownServices } from '../../well-known-services';
 import * as os from '@client/os';
diff --git a/src/client/components/post-form.vue b/src/client/components/post-form.vue
index 13e5c0f433..765824b2ab 100644
--- a/src/client/components/post-form.vue
+++ b/src/client/components/post-form.vue
@@ -56,7 +56,7 @@ import { faReply, faQuoteRight, faPaperPlane, faTimes, faUpload, faPollH, faGlob
 import { faEyeSlash, faLaughSquint } from '@fortawesome/free-regular-svg-icons';
 import insertTextAtCursor from 'insert-text-at-cursor';
 import { length } from 'stringz';
-import { toASCII } from 'punycode';
+import { toASCII } from 'punycode/';
 import XNotePreview from './note-preview.vue';
 import * as mfm from 'mfm-js';
 import { host, url } from '@client/config';
diff --git a/src/client/components/signin.vue b/src/client/components/signin.vue
index 120da63f30..b9d8fe6a77 100755
--- a/src/client/components/signin.vue
+++ b/src/client/components/signin.vue
@@ -48,7 +48,7 @@
 
 <script lang="ts">
 import { defineComponent } from 'vue';
-import { toUnicode } from 'punycode';
+import { toUnicode } from 'punycode/';
 import { faLock, faGavel } from '@fortawesome/free-solid-svg-icons';
 import { faTwitter, faDiscord, faGithub } from '@fortawesome/free-brands-svg-icons';
 import MkButton from './ui/button.vue';
diff --git a/src/client/components/signup.vue b/src/client/components/signup.vue
index 1ce9fc2789..66d01213bc 100644
--- a/src/client/components/signup.vue
+++ b/src/client/components/signup.vue
@@ -55,7 +55,7 @@
 import { defineComponent, defineAsyncComponent } from 'vue';
 import { faLock, faExclamationTriangle, faSpinner, faCheck, faKey } from '@fortawesome/free-solid-svg-icons';
 const getPasswordStrength = require('syuilo-password-strength');
-import { toUnicode } from 'punycode';
+import { toUnicode } from 'punycode/';
 import { host, url } from '@client/config';
 import MkButton from './ui/button.vue';
 import MkInput from './ui/input.vue';
diff --git a/src/client/pages/advanced-theme-editor.vue b/src/client/pages/advanced-theme-editor.vue
index fb00c8c8ac..e1bd0ebc00 100644
--- a/src/client/pages/advanced-theme-editor.vue
+++ b/src/client/pages/advanced-theme-editor.vue
@@ -94,7 +94,7 @@
 import { defineComponent } from 'vue';
 import { faPalette, faChevronDown, faKeyboard } from '@fortawesome/free-solid-svg-icons';
 import * as JSON5 from 'json5';
-import { toUnicode } from 'punycode';
+import { toUnicode } from 'punycode/';
 
 import MkRadio from '@client/components/ui/radio.vue';
 import MkButton from '@client/components/ui/button.vue';
diff --git a/src/client/pages/theme-editor.vue b/src/client/pages/theme-editor.vue
index 5ee0a704b0..a28510dcde 100644
--- a/src/client/pages/theme-editor.vue
+++ b/src/client/pages/theme-editor.vue
@@ -52,7 +52,7 @@
 <script lang="ts">
 import { defineComponent } from 'vue';
 import { faPalette, faSave, faEye, faCode } from '@fortawesome/free-solid-svg-icons';
-import { toUnicode } from 'punycode';
+import { toUnicode } from 'punycode/';
 import * as tinycolor from 'tinycolor2';
 import { v4 as uuid} from 'uuid';
 import * as JSON5 from 'json5';
diff --git a/src/client/pages/welcome.entrance.a.vue b/src/client/pages/welcome.entrance.a.vue
index 9a24f868b6..01b3038312 100644
--- a/src/client/pages/welcome.entrance.a.vue
+++ b/src/client/pages/welcome.entrance.a.vue
@@ -53,7 +53,7 @@
 <script lang="ts">
 import { defineComponent } from 'vue';
 import { faEllipsisH, faInfoCircle, faQuestionCircle } from '@fortawesome/free-solid-svg-icons';
-import { toUnicode } from 'punycode';
+import { toUnicode } from 'punycode/';
 import XSigninDialog from '@client/components/signin-dialog.vue';
 import XSignupDialog from '@client/components/signup-dialog.vue';
 import MkButton from '@client/components/ui/button.vue';
diff --git a/src/client/pages/welcome.entrance.b.vue b/src/client/pages/welcome.entrance.b.vue
index 6e93f17404..d8622e4d8e 100644
--- a/src/client/pages/welcome.entrance.b.vue
+++ b/src/client/pages/welcome.entrance.b.vue
@@ -37,7 +37,7 @@
 <script lang="ts">
 import { defineComponent } from 'vue';
 import { faEllipsisH, faInfoCircle, faQuestionCircle } from '@fortawesome/free-solid-svg-icons';
-import { toUnicode } from 'punycode';
+import { toUnicode } from 'punycode/';
 import XSigninDialog from '@client/components/signin-dialog.vue';
 import XSignupDialog from '@client/components/signup-dialog.vue';
 import MkButton from '@client/components/ui/button.vue';
diff --git a/src/client/pages/welcome.entrance.c.vue b/src/client/pages/welcome.entrance.c.vue
index cefe239da9..4e4c0ed210 100644
--- a/src/client/pages/welcome.entrance.c.vue
+++ b/src/client/pages/welcome.entrance.c.vue
@@ -57,7 +57,7 @@
 <script lang="ts">
 import { defineComponent } from 'vue';
 import { faEllipsisH, faInfoCircle, faQuestionCircle } from '@fortawesome/free-solid-svg-icons';
-import { toUnicode } from 'punycode';
+import { toUnicode } from 'punycode/';
 import XSigninDialog from '@client/components/signin-dialog.vue';
 import XSignupDialog from '@client/components/signup-dialog.vue';
 import MkButton from '@client/components/ui/button.vue';
diff --git a/src/client/scripts/autocomplete.ts b/src/client/scripts/autocomplete.ts
index eab893a386..99c54c69c5 100644
--- a/src/client/scripts/autocomplete.ts
+++ b/src/client/scripts/autocomplete.ts
@@ -1,6 +1,6 @@
 import { Ref, ref } from 'vue';
 import * as getCaretCoordinates from 'textarea-caret';
-import { toASCII } from 'punycode';
+import { toASCII } from 'punycode/';
 import { popup } from '@client/os';
 
 export class Autocomplete {
diff --git a/src/client/ui/chat/post-form.vue b/src/client/ui/chat/post-form.vue
index e5f4132c4b..9dd87edac4 100644
--- a/src/client/ui/chat/post-form.vue
+++ b/src/client/ui/chat/post-form.vue
@@ -52,7 +52,7 @@ import { faReply, faQuoteRight, faPaperPlane, faTimes, faUpload, faPollH, faGlob
 import { faEyeSlash, faLaughSquint } from '@fortawesome/free-regular-svg-icons';
 import insertTextAtCursor from 'insert-text-at-cursor';
 import { length } from 'stringz';
-import { toASCII } from 'punycode';
+import { toASCII } from 'punycode/';
 import * as mfm from 'mfm-js';
 import { host, url } from '@client/config';
 import { erase, unique } from '../../../prelude/array';
diff --git a/src/misc/convert-host.ts b/src/misc/convert-host.ts
index f8957a64a8..7b0b0acf10 100644
--- a/src/misc/convert-host.ts
+++ b/src/misc/convert-host.ts
@@ -1,6 +1,6 @@
 import { URL } from 'url';
 import config from '@/config';
-import { toASCII } from 'punycode';
+import { toASCII } from 'punycode/';
 
 export function getFullApAccount(username: string, host: string | null) {
 	return host ? `${username}@${toPuny(host)}` : `${username}@${toPuny(config.host)}`;
diff --git a/yarn.lock b/yarn.lock
index 02fcf960d0..5c27f8ce03 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -917,6 +917,11 @@
   resolved "https://registry.yarnpkg.com/@types/pug/-/pug-2.0.4.tgz#8772fcd0418e3cd2cc171555d73007415051f4b2"
   integrity sha1-h3L80EGOPNLMFxVV1zAHQVBR9LI=
 
+"@types/punycode@2.1.0":
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/@types/punycode/-/punycode-2.1.0.tgz#89e4f3d09b3f92e87a80505af19be7e0c31d4e83"
+  integrity sha512-PG5aLpW6PJOeV2fHRslP4IOMWn+G+Uq8CfnyJ+PDS8ndCbU+soO+fB3NKCKo0p/Jh2Y4aPaiQZsrOXFdzpcA6g==
+
 "@types/q@^1.5.1":
   version "1.5.2"
   resolved "https://registry.yarnpkg.com/@types/q/-/q-1.5.2.tgz#690a1475b84f2a884fd07cd797c00f5f31356ea8"