diff --git a/.changeset/eighty-zoos-walk.md b/.changeset/eighty-zoos-walk.md
new file mode 100644
index 00000000..dc706e0f
--- /dev/null
+++ b/.changeset/eighty-zoos-walk.md
@@ -0,0 +1,5 @@
+---
+"@instructor-ai/instructor": minor
+---
+
+Restore CommonJS compatibility for OpenAI streaming
diff --git a/src/instructor.ts b/src/instructor.ts
index 6b7313b0..c5568c0a 100644
--- a/src/instructor.ts
+++ b/src/instructor.ts
@@ -9,7 +9,7 @@ import {
   ReturnTypeBasedOnParams
 } from "@/types"
 import OpenAI from "openai"
-import { Stream } from "openai/streaming.mjs"
+import { Stream } from "openai/streaming"
 import { z, ZodError } from "zod"
 import ZodStream, { OAIResponseParser, OAIStream, withResponseModel, type Mode } from "zod-stream"
 import { fromZodError } from "zod-validation-error"