diff --git a/Project.toml b/Project.toml
index 5c8df722..d0628f41 100644
--- a/Project.toml
+++ b/Project.toml
@@ -23,7 +23,7 @@ Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
 StructArrays = "09ab397b-f2b6-538f-b94a-2f83cf4a842a"
 
 [compat]
-Colors = "0.12"
+Colors = "0.12, 0.13"
 Downloads = "1"
 GeoFormatTypes = "0.4"
 GeoInterface = "0.5, 1.0"