diff --git a/Project.toml b/Project.toml
index 0f2e6ab..8ff24f6 100644
--- a/Project.toml
+++ b/Project.toml
@@ -29,6 +29,7 @@ BoundaryValueDiffEq = "2"
 Convex = "0.15"
 Distributions = "0.25"
 Flux = "0.12, 0.13"
+Interpolations = "0.13, 0.14"
 Interpolations = "0.13"
 IntervalSets = "0.5, 0.7"
 OrdinaryDiffEq = "6"