diff --git a/backend/requirements/default.txt b/backend/requirements/default.txt
index cc13447c8fa..bbb4cc55e3f 100644
--- a/backend/requirements/default.txt
+++ b/backend/requirements/default.txt
@@ -43,7 +43,7 @@ Mako==1.2.4
 msal==1.26.0
 nltk==3.8.1
 Office365-REST-Python-Client==2.5.9
-oauthlib==3.2.2
+oauthlib==4.0.0
 openai==1.14.3 
 openpyxl==3.1.2
 playwright==1.41.2