diff --git a/Project.toml b/Project.toml
index 83b1fe335..376c74752 100644
--- a/Project.toml
+++ b/Project.toml
@@ -58,7 +58,7 @@ DifferentiationInterface = "0.6.41"
 Distributions = "0.25"
 DocStringExtensions = "0.9"
 EnzymeCore = "0.6 - 0.8"
-ForwardDiff = "0.10.12"
+ForwardDiff = "0.10.12, 1"
 InteractiveUtils = "1"
 JET = "0.9"
 KernelAbstractions = "0.9.33"