diff --git a/backend/requirements.txt b/backend/requirements.txt
index 4d4fd80..63de7b2 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -23,7 +23,7 @@ stripe==15.0.1
 
 # Email & Mail Processing
 aiosmtplib==5.1.0
-aiohttp==3.13.4  # Updated: Fixed zip bomb, DoS, and directory traversal vulnerabilities (was 3.9.1)
+aiohttp==3.13.5  # Updated: Fixed zip bomb, DoS, and directory traversal vulnerabilities (was 3.9.1)
 aioimaplib==2.0.1
 email-validator==2.3.0