diff --git a/Project.toml b/Project.toml
index 0e13e3a..a9ebde9 100644
--- a/Project.toml
+++ b/Project.toml
@@ -34,6 +34,7 @@ PrettyTables = "2.2, 3"
 SimpleTraits = "0.9"
 SimpleValueGraphs = "0.4"
 SimpleWeightedGraphs = "1.2"
+Statistics = "1"
 TensorOperations = "3.2, 4"
 WhereTraits = "1"
 julia = "1.8"