diff --git a/Project.toml b/Project.toml
index c3eb29b..aa997ff 100644
--- a/Project.toml
+++ b/Project.toml
@@ -11,7 +11,7 @@ Reexport = "189a3867-3050-52da-a836-e630ba90ab69"
 
 [compat]
 CBinding = "0.9.2"
-MPI = "0.15, 0.16, 0.18, 0.19"
+MPI = "0.15, 0.16, 0.18, 0.19, 0.20"
 P4est_jll = "~2.8"
 Reexport = "0.2, 1.0"
 julia = "1.6"