diff --git a/Project.toml b/Project.toml
index 763e4d921a..eaceaabb47 100644
--- a/Project.toml
+++ b/Project.toml
@@ -47,7 +47,7 @@ CUDA = "4, 5"
 ChainRulesCore = "1.12"
 Compat = "4.10.0"
 Enzyme = "0.12, 0.13"
-Functors = "0.4"
+Functors = "0.5"
 MLDataDevices = "1.4.2"
 MLUtils = "0.4"
 MPI = "0.20.19"