diff --git a/test/Project.toml b/test/Project.toml
index 424ec21b51f..133f0af660a 100644
--- a/test/Project.toml
+++ b/test/Project.toml
@@ -21,5 +21,5 @@ Flux = "0.12.6"
 ForwardDiff = "0.10"
 MPI = "0.19"
 NNlib = "0.7.28"
-OrdinaryDiffEq = "5.65"
+OrdinaryDiffEq = "5.65, 6"
 Plots = "1.16"