diff --git a/Project.toml b/Project.toml
index 054e7c8..fac4c14 100644
--- a/Project.toml
+++ b/Project.toml
@@ -19,6 +19,7 @@ StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
 Triangle = "56f361f5-126b-55db-87fb-1c71988fcde4"
 
 [compat]
+Colors = "0.12"
 FixedPointNumbers = "0.8"
 LightGraphs = "1.3"
 julia = "1"