diff --git a/requirements.txt b/requirements.txt
index 98e1f377..0a192cf2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 jinja2>=3.1.2
-openai>=0.27.2
+openai==0.27.2
 pyglove>=0.4.4.dev20230926
 termcolor==1.1.0
 tqdm>=4.64.1
\ No newline at end of file