diff --git a/Project.toml b/Project.toml
index 712ef244e..663baae82 100644
--- a/Project.toml
+++ b/Project.toml
@@ -62,7 +62,7 @@ MKL_jll = "2023"
 MuladdMacro = "0.2"
 NQCBase = "0.2"
 NQCDistributions = "0.1"
-NQCModels = "0.8"
+NQCModels = "0.8, 0.9"
 Optim = "1"
 OrdinaryDiffEq = "5, 6"
 Parameters = "0.12"