diff --git a/Project.toml b/Project.toml
index 55afb19..3439e3a 100644
--- a/Project.toml
+++ b/Project.toml
@@ -13,6 +13,7 @@ Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
 Images = "0.24, 0.25"
 OffsetArrays = "1"
 Optim = "1"
+Statistics = "1"
 julia = "1.6"
 
 [extras]