diff --git a/Project.toml b/Project.toml
index 919c47fba..1b493a7a0 100644
--- a/Project.toml
+++ b/Project.toml
@@ -18,7 +18,7 @@ SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
 BlockDiagonals = "0.1"
 ChainRulesCore = "1"
 IterativeSolvers = "0.9"
-JuMP = "0.23"
+JuMP = "0.23, 1"
 LazyArrays = "0.21, 0.22"
 MathOptInterface = "1"
 MathOptSetDistances = "0.2"