diff --git a/docs/Project.toml b/docs/Project.toml
index 07013e9..e3ab05b 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -3,4 +3,5 @@ ADTypes = "47edcb42-4c32-4615-8424-f2b9edc5f35b"
 Documenter = "e30172f5-a6a5-5a46-863b-614d45cd2de4"
 
 [compat]
-Documenter = "1.3"
\ No newline at end of file
+ADTypes = "1.21.0"
+Documenter = "1.3"