diff --git a/requirements.txt b/requirements.txt
index b9540e50..ccb6dc38 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,6 +2,4 @@ aiohttp
 escapism
 jupyterhub>=0.9
 passlib
-# toml is now optional, as can use yaml configuration files instead now...
-#toml
-#ruamel.yaml
+toml