diff --git a/Project.toml b/Project.toml
index 3ddf88f..4a2793b 100644
--- a/Project.toml
+++ b/Project.toml
@@ -39,7 +39,7 @@ JSServe = "1.2.5"
 LayeredLayouts = "0.2"
 Makie = "0.14, 0.15"
 Missings = "1"
-MultivariateStats = "0.8"
+MultivariateStats = "0.8, 0.9"
 Observables = "0.4"
 RelocatableFolders = "0.1"
 StatsBase = "0.33"