diff --git a/Project.toml b/Project.toml
index 3e5881e4..75d97792 100644
--- a/Project.toml
+++ b/Project.toml
@@ -32,7 +32,7 @@ MathProgBase = "0.7"
 RDatasets = "0.7"
 Reexport = "1.2"
 SpecialFunctions = "2.1"
-StatsFuns = "0.9"
+StatsFuns = "0.9, 1"
 ToeplitzMatrices = "0.7"
 julia = "1.6"