diff --git a/README.md b/README.md
index 8c96f8c0e35de0632f7ecc21c1f4f2d92d35b786..45eeac10b3bc7ea60db19a0ff78777098f812c50 100644
--- a/README.md
+++ b/README.md
@@ -10,6 +10,7 @@ A web service to manage LDAP users, groups and permissions.
 - python3-flask-sqlalchemy
 - python3-qrcode
 - python3-fido2 (version 0.5.0, optional)
+- python3-flask-oauthlib
 - git (cli utility, musst be in path)
 
 ## development