diff --git a/Project.toml b/Project.toml
index d09748ac..f6d3ff3d 100644
--- a/Project.toml
+++ b/Project.toml
@@ -60,7 +60,7 @@ StanOptimize = "4"
 StanQuap = "4"
 StanSample = "7"
 StanVariational = "4.3"
-StatsBase = "0.33"
+StatsBase = "0.33, 0.34"
 StatsFuns = "1"
 Tables = "1.10"
 julia = "1"