diff --git a/Project.toml b/Project.toml
index b4a0739..ce3f9eb 100644
--- a/Project.toml
+++ b/Project.toml
@@ -9,3 +9,11 @@ JuMP = "4076af6c-e467-56ae-b986-b466b2749572"
 
 [compat]
 JuMP = "0.21"
+IntervalArithmetic = "0.18"
+julia = "1"
+
+[extras]
+Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
+
+[targets]
+test = ["Test"]