diff --git a/api/requirements.txt b/api/requirements.txt
index f4af07f..4981a98 100644
--- a/api/requirements.txt
+++ b/api/requirements.txt
@@ -7,7 +7,7 @@ pymysql==1.0.2
 pyjwt==2.3.0
 apiflask==1.0.0
 flask-cors==3.0.10
-bcrypt==3.2.2
+bcrypt==4.0.0
 pytest~=7.1.2
 pytest-cov
 marshmallow~=3.15.0