diff --git a/Project.toml b/Project.toml
index 2a4a4c5..600ceac 100644
--- a/Project.toml
+++ b/Project.toml
@@ -9,7 +9,7 @@ StatsBase = "2913bbd2-ae8a-5f71-8c99-4fb6c76f3a91"
 
 [compat]
 ForwardDiff = "0.10.1"
-StatsBase = "0.24.0"
+StatsBase = "0.24.0, 0.34"
 julia = "0.7.0, 1"
 
 [extras]