diff --git a/index.ts b/index.ts
index 014bbf9f..cb0f03f6 100644
--- a/index.ts
+++ b/index.ts
@@ -1,3 +1,6 @@
+// https://github.com/graphql/dataloader/issues/249
+import 'setimmediate';
+
 export { createZimbraSchema, schema } from './src/schema/schema';
 export { ZimbraBatchClient } from './src/batch-client';
 export { LocalBatchLink } from './src/apollo/local-batch-link';
diff --git a/package.json b/package.json
index 23fbb57d..823893ac 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,8 @@
     "graphql": "^15.8.0",
     "graphql-tools": "^8.2.9",
     "lodash": "^4.17.21",
-    "mitt": "^3.0.0"
+    "mitt": "^3.0.0",
+    "setimmediate": "^1.0.5"
   },
   "devDependencies": {
     "@babel/cli": "^7.17.10",