diff --git a/Project.toml b/Project.toml
index 6ca687d45..df7e5684f 100644
--- a/Project.toml
+++ b/Project.toml
@@ -72,7 +72,7 @@ NQCCalculators = "1.0.10"
 NQCDistributions = "1"
 NQCModels = "1"
 Optim = "1"
-OrdinaryDiffEq = "=6.103"
+OrdinaryDiffEq = "=6.103, 7"
 OrdinaryDiffEqCore = "1.32, 2, 3"
 Parameters = "0.12"
 PeriodicTable = "1"