diff --git a/Project.toml b/Project.toml
index 2e2d7eec..4b4d207a 100644
--- a/Project.toml
+++ b/Project.toml
@@ -22,7 +22,7 @@ GasChemExt = "GasChem"
 
 [compat]
 DifferentialEquations = "7"
-EarthSciMLBase = "0.10"
+EarthSciMLBase = "0.10, 0.15"
 GasChem = "0.6"
 IfElse = "0.1"
 ModelingToolkit = "8"