diff --git a/rollup.config.mjs b/rollup.config.mjs
index 1cd15dfc..8ad51640 100644
--- a/rollup.config.mjs
+++ b/rollup.config.mjs
@@ -4,7 +4,7 @@ import dts from "rollup-plugin-dts";
 
 export default [
   {
-    external: ["@azure/app-configuration", "@azure/keyvault-secrets", "@azure/core-rest-pipeline", "crypto"],
+    external: ["@azure/app-configuration", "@azure/keyvault-secrets", "@azure/core-rest-pipeline", "crypto", "dns/promises"],
     input: "src/index.ts",
     output: [
       {