diff --git a/test/Project.toml b/test/Project.toml
index 4f44ffa5..78c452d4 100644
--- a/test/Project.toml
+++ b/test/Project.toml
@@ -16,7 +16,7 @@ Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 [compat]
 Aqua = "0.8"
 CTBase = "0.16"
-CTDirect = "0.17"
+CTDirect = "1"
 Interpolations = "0.15, 0.16"
 Ipopt = "1"
 JuMP = "1"