diff --git a/Project.toml b/Project.toml
index 9953d4a3..250d8b29 100644
--- a/Project.toml
+++ b/Project.toml
@@ -59,7 +59,7 @@ Einsum = "0.4"
 Ferrite = "=0.3.0"
 FileIO = "1"
 Flux = "0.11, 0.12, 0.13, 0.14"
-ForwardDiff = "<0.10.35, 0.10"
+ForwardDiff = "<0.10.35, 0.10, 1"
 GeometryBasics = "0.3, 0.4"
 GeometryTypes = "0.8"
 IterativeSolvers = "0.9"