diff --git a/pydatalab/pydatalab/apps/chat/blocks.py b/pydatalab/pydatalab/apps/chat/blocks.py
index c965058b2..af4b89bc6 100644
--- a/pydatalab/pydatalab/apps/chat/blocks.py
+++ b/pydatalab/pydatalab/apps/chat/blocks.py
@@ -11,7 +11,7 @@
 from pydatalab.utils import CustomJSONEncoder
 
 __all__ = "ChatBlock"
-MODEL = "gpt-3.5-turbo"
+MODEL = "gpt-3.5-turbo-0613"
 MAX_CONTEXT_SIZE = 4097