diff --git a/docs/Project.toml b/docs/Project.toml
index a301ad5..3485f16 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -5,3 +5,4 @@ JuMP = "4076af6c-e467-56ae-b986-b466b2749572"
 
 [compat]
 Documenter = "~0.21"
+JuMP = "~0.18"