diff --git a/Project.toml b/Project.toml
index 82a1045..6634ad9 100644
--- a/Project.toml
+++ b/Project.toml
@@ -33,6 +33,7 @@ Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
 [compat]
 BenchmarkTools = "1"
+Colors = "0.13"
 FLOWMath = "0.4"
 FastGaussQuadrature = "1"
 FiniteDiff = "2"