diff --git a/Project.toml b/Project.toml
index 2b3af9a..1702dca 100644
--- a/Project.toml
+++ b/Project.toml
@@ -11,6 +11,13 @@ PartitionedArrays = "5a9dfac6-5c52-46f7-8278-5e2210713be9"
 SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
 SparseMatricesCSR = "a0a7dd2c-ebf4-11e9-1f05-cf50bc540ca1"
 
+[compat]
+CEnum = "0.4"
+MPI = "0.19"
+PartitionedArrays = "0.2"
+SparseMatricesCSR = "0.6"
+julia = "1.6"
+
 [extras]
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"