diff --git a/Project.toml b/Project.toml
index 4970a66a..04d74c8d 100644
--- a/Project.toml
+++ b/Project.toml
@@ -26,7 +26,7 @@ GasChemExt = "GasChem"
 DifferentialEquations = "7"
 EarthSciData = "0.10"
 EarthSciMLBase = "0.19"
-GasChem = "0.7"
+GasChem = "0.7, 0.8"
 ModelingToolkit = "9"
 SafeTestsets = "0.1"
 StaticArrays = "1"