diff --git a/docs/Project.toml b/docs/Project.toml
index 45ec257..3a9029c 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -7,6 +7,6 @@ Documenter = "e30172f5-a6a5-5a46-863b-614d45cd2de4"
 [compat]
 AbstractGPs = "0.3, 0.4, 0.5"
 AbstractGPsMakie = "0.2"
-CairoMakie = "0.6, 0.7"
+CairoMakie = "0.6, 0.7, 0.8"
 Documenter = "0.27"
 julia = "1.3"