diff --git a/Project.toml b/Project.toml
index cf869d8..69e1bc6 100644
--- a/Project.toml
+++ b/Project.toml
@@ -19,6 +19,7 @@ Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
 
 [compat]
 ConcreteStructs = "0.2"
+Infiltrator = "1"
 Optim = "1"
 Plots = "1"
 SatelliteDynamics = "0.4"