diff --git a/Project.toml b/Project.toml
index 07267302..b402e28b 100644
--- a/Project.toml
+++ b/Project.toml
@@ -32,7 +32,7 @@ Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
 
 [compat]
 CategoricalArrays = "0.8, 0.9, 0.10"
-Colors = "0.9, 0.10, 0.11, 0.12"
+Colors = "0.9, 0.10, 0.11, 0.12, 0.13"
 Compose = "0.9"
 Contour = "0.5, 0.6"
 CoupledFields = "0.1, 0.2, 0.3"