diff --git a/Project.toml b/Project.toml
index c46f3799..5fc55c32 100644
--- a/Project.toml
+++ b/Project.toml
@@ -11,7 +11,7 @@ RecursiveArrayTools = "731186ca-8d62-57ce-b412-fbd966d074cd"
 Reexport = "189a3867-3050-52da-a836-e630ba90ab69"
 
 [compat]
-GaussianProcesses = "0.11"
+GaussianProcesses = "0.11, 0.12"
 Optim = "0.19, 0.20, 0.21"
 RecipesBase = "0.8"
 RecursiveArrayTools = "2"