diff --git a/test/Project.toml b/test/Project.toml
index 73b65951955..d95db93af58 100644
--- a/test/Project.toml
+++ b/test/Project.toml
@@ -16,6 +16,6 @@ BSON = "0.3.3"
 CairoMakie = "0.6, 0.7, 0.8"
 Flux = "0.13"
 ForwardDiff = "0.10"
-MPI = "0.19"
+MPI = "0.19, 0.20"
 OrdinaryDiffEq = "5.65, 6"
 Plots = "1.16"