diff --git a/Project.toml b/Project.toml
index 4d6c793..fa4fb7a 100644
--- a/Project.toml
+++ b/Project.toml
@@ -31,7 +31,7 @@ Requires = "0.5.2"
 Roots = "0.8.3"
 SpecialFunctions = "0.7.2"
 StatsBase = "0.31, 0.32"
-StatsFuns = "0.8.0"
+StatsFuns = "0.8.0, 0.9"
 StatsModels = "0.6.3"
 julia = "1.0.0"