diff --git a/Project.toml b/Project.toml
index 276816b6a..0f3f6dfe4 100644
--- a/Project.toml
+++ b/Project.toml
@@ -18,7 +18,7 @@ Compat = "2.2, 3"
 Distances = "0.8"
 Requires = "1.0.1"
 SpecialFunctions = "0.8, 0.9, 0.10"
-StatsBase = "0.32"
+StatsBase = "0.32, 0.33"
 StatsFuns = "0.8, 0.9"
 ZygoteRules = "0.2"
 julia = "1.0"