diff --git a/src/Types.ts b/src/Types.ts
index b6b8ac864..84927a658 100644
--- a/src/Types.ts
+++ b/src/Types.ts
@@ -263,6 +263,7 @@ export interface IPublicTerminal extends IDisposable, IEventEmitter {
     scrollToLine(line: number): void;
     clear(): void;
     write(data: string): void;
+    writeUtf8(data: Uint8Array): void;
     getOption(key: string): any;
     setOption(key: string, value: any): void;
     refresh(start: number, end: number): void;
diff --git a/yarn.lock b/yarn.lock
index e14ad3a1a..87ca4a182 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -93,6 +93,11 @@
   dependencies:
     source-map "^0.6.1"
 
+"@types/utf8@^2.1.6":
+  version "2.1.6"
+  resolved "https://registry.yarnpkg.com/@types/utf8/-/utf8-2.1.6.tgz#430cabb71a42d0a3613cce5621324fe4f5a25753"
+  integrity sha512-pRs2gYF5yoKYrgSaira0DJqVg2tFuF+Qjp838xS7K+mJyY2jJzjsrl6y17GbIa4uMRogMbxs+ghNCvKg6XyNrA==
+
 "@types/webpack@^4.4.11":
   version "4.4.11"
   resolved "https://registry.yarnpkg.com/@types/webpack/-/webpack-4.4.11.tgz#0ca832870d55c4e92498c01d22d00d02b0f62ae9"
@@ -6823,6 +6828,11 @@ user-home@^1.1.1:
   resolved "https://registry.yarnpkg.com/user-home/-/user-home-1.1.1.tgz#2b5be23a32b63a7c9deb8d0f28d485724a3df190"
   integrity sha1-K1viOjK2Onyd640PKNSFcko98ZA=
 
+utf8@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/utf8/-/utf8-3.0.0.tgz#f052eed1364d696e769ef058b183df88c87f69d1"
+  integrity sha512-E8VjFIQ/TyQgp+TZfS6l8yp/xWppSAHzidGiRrqe4bK4XP9pTRyKFgGJpO3SN7zdX4DeomTrwaseCHovfpFcqQ==
+
 util-deprecate@~1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"