diff --git a/test/downstream/Project.toml b/test/downstream/Project.toml
index 5e65ebbf4..a6fad2d7a 100644
--- a/test/downstream/Project.toml
+++ b/test/downstream/Project.toml
@@ -32,7 +32,7 @@ Zygote = "e88e6eb3-aa80-5325-afca-941959d7151f"
 BoundaryValueDiffEq = "5"
 DelayDiffEq = "5"
 DiffEqCallbacks = "3, 4"
-ForwardDiff = "0.10"
+ForwardDiff = "0.10, 1"
 JumpProcesses = "9.10"
 ModelingToolkit = "9.64.3"
 ModelingToolkitStandardLibrary = "2.7"