diff --git a/Julia/KhepriRhino/Project.toml b/Julia/KhepriRhino/Project.toml
index a26d0d32..c7df20a0 100644
--- a/Julia/KhepriRhino/Project.toml
+++ b/Julia/KhepriRhino/Project.toml
@@ -12,7 +12,7 @@ Reexport = "189a3867-3050-52da-a836-e630ba90ab69"
 Sockets = "6462fe0b-24de-5631-8697-dd941f90decc"
 
 [compat]
-ColorTypes = "0.11"
+ColorTypes = "0.11, 0.12"
 KhepriBase = "0.8.1"
 PNGFiles = "0.4"
 Reexport = "1"