diff --git a/docs/architecture/08_concepts/08_01_security.md b/docs/architecture/08_concepts/08_01_security.md
index 1488537..2b1b026 100644
--- a/docs/architecture/08_concepts/08_01_security.md
+++ b/docs/architecture/08_concepts/08_01_security.md
@@ -22,7 +22,7 @@ This document outlines the proposed user roles and permissions model for the Cal
 
 ## Authentication System
 
-The authentication system uses JWT (JSON Web Tokens) for securing API endpoints. Users can register with a username, email, and password. Passwords are hashed using bcrypt. Upon successful login, an access token is issued, which must be included in subsequent requests for protected resources.
+The authentication system uses JWT (JSON Web Tokens) for securing API endpoints. Users can register with a username, email, and password. Passwords are hashed using a `passlib` CryptContext for secure, configurable hashing. Upon successful login, an access token is issued, which must be included in subsequent requests for protected resources.
 
 ## Key Components
 
diff --git a/requirements.txt b/requirements.txt
index a24ee10..5a3cc02 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,3 @@
-bcrypt
 fastapi
 uvicorn
 sqlalchemy