diff --git a/test/Project.toml b/test/Project.toml
index 331b2b4a..4b4f8d65 100644
--- a/test/Project.toml
+++ b/test/Project.toml
@@ -36,6 +36,7 @@ MLJBase = "0.18, 0.19, 0.20, 0.21, 1"
 MLJDecisionTreeInterface = "0.3, 0.4"
 Random = "<0.0.1, 1"
 Serialization = "<0.0.1, 1"
+Statistics = "1"
 StatsBase = "0.33.2, 0.34"
 StatsPlots = "0.14.17, 0.15"
 TableTraits = "1"