diff --git a/Project.toml b/Project.toml
index f894f852..31f8b011 100644
--- a/Project.toml
+++ b/Project.toml
@@ -17,7 +17,7 @@ Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
 [compat]
 HiGHS = "~1"
 InfrastructureModels = "~0.6, ~0.7"
-Interpolations = "~0.12, 0.13, 0.14"
+Interpolations = "~0.14"
 JSON = "~0.18, ~0.19, ~0.20, ~0.21"
 JuMP = "~0.22, ~0.23, ~1"
 Memento = "~1"