diff --git a/deno/lib/external.ts b/deno/lib/external.ts
index b2070f81c..411742bda 100644
--- a/deno/lib/external.ts
+++ b/deno/lib/external.ts
@@ -1,4 +1,5 @@
 export * from "./errors.ts";
+export * from "./helpers/enumUtil.ts";
 export * from "./helpers/parseUtil.ts";
 export * from "./helpers/typeAliases.ts";
 export * from "./helpers/util.ts";
diff --git a/src/external.ts b/src/external.ts
index 002e17d9c..d7d69da4d 100644
--- a/src/external.ts
+++ b/src/external.ts
@@ -1,4 +1,5 @@
 export * from "./errors";
+export * from "./helpers/enumUtil";
 export * from "./helpers/parseUtil";
 export * from "./helpers/typeAliases";
 export * from "./helpers/util";