diff --git a/Project.toml b/Project.toml
index a10d2f1..ab3d893 100644
--- a/Project.toml
+++ b/Project.toml
@@ -37,7 +37,7 @@ UUIDs = "cf7118a7-6976-5b1a-9a39-7adc72f591a4"
 Unicode = "4ec0a83e-493e-50e2-b9ac-8f72acf5a8f5"
 
 [compat]
-Colors = "0.12"
+Colors = "0.12, 0.13"
 CoordinateTransformations = "0.5, 0.6"
 Distributions = "0.25"
 DocStringExtensions = "0.7, 0.8, 0.9"