diff --git a/requirements.txt b/requirements.txt
index 0111ebe..bbf3e98 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,6 +10,8 @@ jinja2>=3.1.0
 # Authentication
 PyJWT>=2.8.0
 itsdangerous>=2.1.0
+authlib>=1.3.0
+argon2-cffi>=23.1.0
 
 # HTTP client
 httpx>=0.27.0