diff --git a/docs/Project.toml b/docs/Project.toml
index c9f38ad..b5c8b00 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -16,4 +16,5 @@ Zygote = "e88e6eb3-aa80-5325-afca-941959d7151f"
 
 [compat]
 Documenter = "1.3"
+ForwardDiff = "1.3.1"
 Literate = "2.21.0"