diff --git a/Project.toml b/Project.toml
index 8e8b5cc..4094638 100644
--- a/Project.toml
+++ b/Project.toml
@@ -12,7 +12,7 @@ Parameters = "d96e819e-fc66-5662-9728-84c9c7592b0a"
 Unicode = "4ec0a83e-493e-50e2-b9ac-8f72acf5a8f5"
 
 [compat]
-CTBase = "0.18, 0.27, 0.28"
+CTBase = "0.18, 0.27, 0.28, 0.30"
 DocStringExtensions = "0.9"
 MLStyle = "0.4"
 OrderedCollections = "1"