diff --git a/docs/Project.toml b/docs/Project.toml
index 12cea16a..dde6e40a 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -9,3 +9,4 @@ TrixiAtmo = "c9ed1054-d170-44a9-8ee2-d5566f5d1389"
 [compat]
 Documenter = "1.3"
 DocumenterInterLinks = "0.3.1, 1"
+Trixi = "0.16"