diff --git a/Project.toml b/Project.toml
index 1b7c1ea..4c64b85 100644
--- a/Project.toml
+++ b/Project.toml
@@ -8,6 +8,7 @@ JuMP = "4076af6c-e467-56ae-b986-b466b2749572"
 MathOptInterface = "b8f27783-ece8-5eb3-8dc8-9495eed66fee"
 
 [compat]
+MathOptInterface = "1"
 julia = "1.6"
 
 [extras]