diff --git a/webpack.config.ts b/webpack.config.ts
index 5871440f3f..4842297f3a 100644
--- a/webpack.config.ts
+++ b/webpack.config.ts
@@ -12,7 +12,7 @@ const configuration = {
         filename: "index.js",
         libraryTarget: "umd",
         library: "docx",
-        globalObject: "this",
+        globalObject: "globalThis",
     },
 
     resolve: {