diff --git a/docs/Project.toml b/docs/Project.toml
index 80269608d11..21d4499275d 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -25,7 +25,7 @@ Changelog = "1.1"
 Convex = "0.16"
 Documenter = "1"
 ECOS = "1.1.2"
-ForwardDiff = "0.10"
+ForwardDiff = "0.10, 1"
 HOHQMesh = "0.1, 0.2"
 LaTeXStrings = "1.2"
 Literate = "2.9"