diff --git a/lib/LuxTestUtils/Project.toml b/lib/LuxTestUtils/Project.toml
index 92c3199807..e75a7bdced 100644
--- a/lib/LuxTestUtils/Project.toml
+++ b/lib/LuxTestUtils/Project.toml
@@ -29,7 +29,7 @@ DispatchDoctor = "0.4.12"
 Enzyme = "0.13"
 FiniteDiff = "2.23.1"
 ForwardDiff = "0.10.36"
-Functors = "0.4.11"
+Functors = "0.4.11, 0.5"
 JET = "0.9.6"
 MLDataDevices = "1.0.0"
 ReverseDiff = "1.15.3"