diff --git a/lib/LuxCore/Project.toml b/lib/LuxCore/Project.toml
index 30023705f3..3f2cefd8ba 100644
--- a/lib/LuxCore/Project.toml
+++ b/lib/LuxCore/Project.toml
@@ -35,7 +35,7 @@ ChainRulesCore = "1.24"
 Compat = "4.15.0"
 DispatchDoctor = "0.4.10"
 EnzymeCore = "0.7.7, 0.8"
-Functors = "0.4.12"
+Functors = "0.4.12, 0.5"
 MLDataDevices = "1"
 Random = "1.10"
 Reactant = "0.2.3"