diff --git a/src/index.ts b/src/index.ts
index 02e774b..b498e3e 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -12,6 +12,7 @@ import postcss from "postcss";
 import postcssModules from "postcss-modules";
 import less from "less";
 import stylus from "stylus";
+import { TextDecoder } from "util";
 
 interface PostCSSPluginOptions {
   plugins: PostCSSPlugin[];