diff --git a/backend/pyproject.toml b/backend/pyproject.toml
index d744868f..9b5db831 100644
--- a/backend/pyproject.toml
+++ b/backend/pyproject.toml
@@ -20,7 +20,7 @@ dependencies = [
   "asyncpg>=0.31.0",
   "psycopg[binary]>=3.3.4",
   "alembic>=1.18.5",
-  "cryptography>=46.0.7",
+  "cryptography>=49.0.0",
   "httpx>=0.28.1",
   "python-jose[cryptography]>=3.5.0",
   "redis>=5.0.0",