diff --git a/test/Project.toml b/test/Project.toml
index db44547..dfcf9a7 100644
--- a/test/Project.toml
+++ b/test/Project.toml
@@ -6,5 +6,5 @@ Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
 [compat]
 AbstractGPs = "0.3, 0.4, 0.5"
-Makie = "0.15.2, 0.16, 0.17, 0.18, 0.19"
+Makie = "0.15.2, 0.16, 0.17, 0.18, 0.19, 0.20"
 julia = "1.3"