diff --git a/backend/requirements.txt b/backend/requirements.txt
index 5674789..6df552d 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -4,7 +4,7 @@ sqlalchemy>=2.0.28
 alembic>=1.13.1
 pydantic>=2.6.4
 pydantic-settings>=2.2.1
-cryptography>=42.0.5
+cryptography>=49.0.0
 python-jose[cryptography]>=3.3.0
 google-api-python-client>=2.122.0
 google-auth-oauthlib>=1.2.0