diff --git a/requirements.txt b/requirements.txt
index 55c6115..430f552 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 botbuilder-integration-aiohttp>=4.14.3
 botbuilder-dialogs>=4.14.3
 boto3==1.17.64
-pytz
-openai
+pytz==2023.3
+openai==0.27.7
 aiohttp