diff --git a/Project.toml b/Project.toml
index 28395dd..ac9ce9c 100644
--- a/Project.toml
+++ b/Project.toml
@@ -34,6 +34,7 @@ TemporalGPs = "e155a3c4-0841-43e1-8b83-a0e4f03cc18f"
 
 [compat]
 CSV = "0.7"
+ColorSchemes = "3.10"
 DataFrames = "0.21"
 Distributions = "0.23"
 EchelleCCFs = "0.1"