diff --git a/docs/Project.toml b/docs/Project.toml
index ab7f501..375c4b2 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -4,5 +4,6 @@ Documenter = "e30172f5-a6a5-5a46-863b-614d45cd2de4"
 Zygote = "e88e6eb3-aa80-5325-afca-941959d7151f"
 
 [compat]
+AbstractDifferentiation = "0.5"
 Documenter = "1"
 Zygote = "0.6"