diff --git a/docs/Project.toml b/docs/Project.toml
index cf550fa3..b550c8d2 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -3,4 +3,4 @@ Documenter = "e30172f5-a6a5-5a46-863b-614d45cd2de4"
 PythonCall = "6099a3de-0909-46bc-b1f4-468b9a2dfc0d"
 
 [compat]
-Documenter = "0.27"  # TODO: upgrade to v1
+Documenter = "0.27"