diff --git a/package.json b/package.json
index 114dd955..578d6b1a 100644
--- a/package.json
+++ b/package.json
@@ -67,7 +67,6 @@
     "filenamify": "^4.3.0",
     "got": "^11.8.6",
     "irc-framework": "^4.14.0",
-    "is-utf8": "^0.2.1",
     "ldapjs": "^2.3.3",
     "linkify-it": "^5.0.0",
     "lodash": "^4.17.21",
@@ -98,7 +97,6 @@
     "@types/chai": "^5.2.3",
     "@types/content-disposition": "^0.5.9",
     "@types/express": "^5.0.6",
-    "@types/is-utf8": "^0.2.3",
     "@types/ldapjs": "^2.2.5",
     "@types/linkify-it": "^5.0.0",
     "@types/lodash": "^4.17.23",
diff --git a/server/plugins/uploader.ts b/server/plugins/uploader.ts
index a2b74013..0c5bc449 100644
--- a/server/plugins/uploader.ts
+++ b/server/plugins/uploader.ts
@@ -6,7 +6,7 @@ import fs from "fs";
 import fileType from "file-type";
 import readChunk from "read-chunk";
 import crypto from "crypto";
-import isUtf8 from "is-utf8";
+import {isUtf8} from "buffer";
 import log from "../log";
 import contentDisposition from "content-disposition";
 import type {Socket} from "socket.io";
diff --git a/yarn.lock b/yarn.lock
index 9cefb3e0..ed9d33b4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1845,13 +1845,6 @@
   resolved "https://registry.yarnpkg.com/@types/http-errors/-/http-errors-2.0.5.tgz#5b749ab2b16ba113423feb1a64a95dcd30398472"
   integrity sha512-r8Tayk8HJnX0FztbZN7oVqGccWgw98T/0neJphO91KkmOzug1KkofZURD4UaD5uH8AqcFLfdPErnBod0u71/qg==
 
-"@types/is-utf8@^0.2.3":
-  version "0.2.3"
-  resolved "https://registry.yarnpkg.com/@types/is-utf8/-/is-utf8-0.2.3.tgz#4821e365f6518778bd7c9b3f8b3a5c42a8e96706"
-  integrity sha512-pOsafTvuyh/FBJm+LP81graldeJLPtJ/UcfqzD+qNoey7PpG2saE/v+h8r4gxT6BGO8mzAuK2fkYLr6goOdwwg==
-  dependencies:
-    "@types/node" "*"
-
 "@types/json-schema@*", "@types/json-schema@^7.0.15", "@types/json-schema@^7.0.8", "@types/json-schema@^7.0.9":
   version "7.0.15"
   resolved "https://registry.yarnpkg.com/@types/json-schema/-/json-schema-7.0.15.tgz#596a1747233694d50f6ad8a7869fcb6f56cf5841"
@@ -4945,11 +4938,6 @@ is-unicode-supported@^0.1.0:
   resolved "https://registry.yarnpkg.com/is-unicode-supported/-/is-unicode-supported-0.1.0.tgz#3f26c76a809593b52bfa2ecb5710ed2779b522a7"
   integrity sha512-knxG2q4UC3u8stRGyAVJCOdxFmv5DZiRcdlIaAQXAbSfJya+OhopNotLQrstBhququ4ZpuKbDc/8S6mgXgPFPw==
 
-is-utf8@^0.2.1:
-  version "0.2.1"
-  resolved "https://registry.yarnpkg.com/is-utf8/-/is-utf8-0.2.1.tgz#4b0da1442104d1b336340e80797e865cf39f7d72"
-  integrity sha512-rMYPYvCzsXywIsldgLaSoPlw5PfoB/ssr7hY4pLfcodrA5M/eArza1a9VmTiNIBNMjOGr1Ow9mTyU2o69U6U9Q==
-
 is-what@^5.2.0:
   version "5.5.0"
   resolved "https://registry.yarnpkg.com/is-what/-/is-what-5.5.0.tgz#a3031815757cfe1f03fed990bf6355a2d3f628c4"