diff --git a/Project.toml b/Project.toml
index b2a9d0d3..b79ebc5d 100644
--- a/Project.toml
+++ b/Project.toml
@@ -43,7 +43,7 @@ InfrastructureModels = "0.7"
 Ipopt = "0.9, 1.0.2, 1.3"
 JSON = "0.21"
 JSONSchema = "0.3.3, 1"
-JuMP = "<1.15"
+JuMP = "1 - 1.14"
 Juniper = "0.8, 0.9"
 LoggingExtras = "0.4.7, 0.4.9"
 PolyhedralRelaxations = "0.3.3, 0.3.4, 0.3.5"