diff --git a/Project.toml b/Project.toml
index f64b955..9166de9 100644
--- a/Project.toml
+++ b/Project.toml
@@ -25,5 +25,5 @@ Distributions = "0.25.89"
 Enzyme = "0.11.14"
 GPLikelihoods = "0.4.6"
 KernelFunctions = "0.10.60"
-ParameterHandling = "0.4.10"
+ParameterHandling = "0.5"
 TemporalGPs = "0.6.4"