diff --git a/backend/requirements.txt b/backend/requirements.txt
index d3cbd26..89fc386 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -1,7 +1,7 @@
 alembic>=1.13,<2.0
 fastapi>=0.115,<1.0
 passlib[bcrypt]>=1.7,<2.0
-bcrypt>=3.2,<4.0
+bcrypt>=5.0.0,<6.0
 pydantic>=2.9,<3.0
 pydantic-settings>=2.6,<3.0
 pyjwt>=2.9,<3.0