diff --git a/Project.toml b/Project.toml
index 4acd990..9026f87 100644
--- a/Project.toml
+++ b/Project.toml
@@ -17,7 +17,7 @@ Distributions = "0.21, 0.22, 0.23, 0.24"
 DocStringExtensions = "0.8"
 StatsBase = "0.32, 0.33"
 StructArrays = "0.4, 0.5"
-ValueShapes = "0.8"
+ValueShapes = "0.8, 0.9"
 julia = "1.3"
 
 [extras]