diff --git a/test/Project.toml b/test/Project.toml
index 945f79b9..7a3d0009 100644
--- a/test/Project.toml
+++ b/test/Project.toml
@@ -15,7 +15,7 @@ Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
 [compat]
 Aqua = "0.8"
-CTBase = "0.16"
+CTBase = "0.17"
 CTDirect = "0.17"
 Interpolations = "0.15, 0.16"
 Ipopt = "1"