diff --git a/Project.toml b/Project.toml
index f110a12..a2fbf49 100644
--- a/Project.toml
+++ b/Project.toml
@@ -12,6 +12,7 @@ Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
 StatsBase = "2913bbd2-ae8a-5f71-8c99-4fb6c76f3a91"
 
 [compat]
+StatsBase = "0.33"
 julia = "1"
 
 [extras]