diff --git a/types/webpack/index.d.ts b/types/webpack/index.d.ts
index db8bb35c72..ccd809c46b 100644
--- a/types/webpack/index.d.ts
+++ b/types/webpack/index.d.ts
@@ -516,7 +516,7 @@ declare namespace webpack {
              * It is possible to exclude a huge folder like node_modules.
              * It is also possible to use anymatch patterns.
              */
-            ignored?: string | RegExp;
+            ignored?: string | string[] | RegExp;
             /** Turn on polling by passing true, or specifying a poll interval in milliseconds. */
             poll?: boolean | number;
         }