diff --git a/Project.toml b/Project.toml
index e76249b..c3a328c 100644
--- a/Project.toml
+++ b/Project.toml
@@ -12,7 +12,7 @@ Images = "916415d5-f1e6-5110-898d-aaa5f9f070e0"
 
 [compat]
 Cairo = "1.0.0"
-Colors = "0.9, 0.10, 0.11"
+Colors = "0.9, 0.10, 0.11, 0.12"
 FixedPointNumbers = "0.6.1, 0.7, 0.8"
 Graphics = "0.4, 1"
 Gtk = "1"