diff --git a/Project.toml b/Project.toml
index 0919d28..07c8841 100644
--- a/Project.toml
+++ b/Project.toml
@@ -20,6 +20,7 @@ StatsBase = "2913bbd2-ae8a-5f71-8c99-4fb6c76f3a91"
 
 [compat]
 CSV = "0.10"
+ColorSchemes = "3"
 DataFrames = "1.5"
 Distributions = "0.25"
 FastGaussQuadrature = "0.5"