diff --git a/backend/requirements.txt b/backend/requirements.txt
index 02c800a..21c2482 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -30,7 +30,7 @@ email-validator==2.3.0
 # Gmail API (for direct email injection)
 google-api-python-client==2.196.0
 google-auth==2.52.0
-google-auth-oauthlib==1.3.1
+google-auth-oauthlib==1.4.0
 google-auth-httplib2==0.4.0
 
 # Job Queue & Cache