diff --git a/docs/Project.toml b/docs/Project.toml
index f64b3c95..5deaf73e 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -4,6 +4,6 @@ ExactOptimalTransport = "24df6009-d856-477c-ac5c-91f668376b31"
 OptimalTransport = "7e02d93a-ae51-4f58-b602-d97af76e3b33"
 
 [compat]
+Documenter = "0.27, 1"
 ExactOptimalTransport = "0.1, 0.2"
-Documenter = "0.27"
 OptimalTransport = "0.3"