diff --git a/Project.toml b/Project.toml
index ab6584a..5be06bc 100644
--- a/Project.toml
+++ b/Project.toml
@@ -19,6 +19,7 @@ HypothesisTests = "0.10"
 Optim = "0.20, 0.21, 0.22, 1.2"
 RecipesBase = "1"
 SpecialFunctions = "0.8"
+StatsBase = "0.33"
 julia = "1"
 
 [extras]