diff --git a/docs/Project.toml b/docs/Project.toml
index 9c18e19..f880975 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -12,6 +12,7 @@ MixedModels = "ff71e718-51f3-5ec2-a782-8ffcbfa3c316"
 MixedModelsPermutations = "647c4018-d7ef-4d03-a0cc-8889a722319e"
 StableRNGs = "860ef19b-820b-49d6-a774-d7a799459cd3"
 Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
+StatsModels = "3eaba693-59b7-5ba5-a881-562e759f1c8d"
 Unfold = "181c99d8-e21b-4ff3-b70b-c233eddec679"
 UnfoldMakie = "69a5ce3b-64fb-4f22-ae69-36dd4416af2a"
 UnfoldSim = "ed8ae6d2-84d3-44c6-ab46-0baf21700804"