diff --git a/Project.toml b/Project.toml
index b760787c..89b16a00 100644
--- a/Project.toml
+++ b/Project.toml
@@ -21,7 +21,7 @@ StatsModels = "3eaba693-59b7-5ba5-a881-562e759f1c8d"
 Tables = "bd369af6-aec1-5ad0-b16a-f7cc5008161c"
 
 [compat]
-CategoricalArrays = "0.10"
+CategoricalArrays = "0.10, 1"
 DelimitedFiles = "1"
 Distributions = "0.16 - 0.25"
 GLM = "1"