diff --git a/Project.toml b/Project.toml
index 7dfc5baa4..f424cfebe 100644
--- a/Project.toml
+++ b/Project.toml
@@ -52,7 +52,7 @@ NLSolversBase = "7.10.0, 8.0"
 NLsolve = "4.5"
 NonlinearSolve = "4.11"
 OrdinaryDiffEqBDF = "1.18.0"
-OrdinaryDiffEqCore = "1.23.0, 3.6.0"
+OrdinaryDiffEqCore = "1.23.0, 3.6.0, 4.3"
 OrdinaryDiffEqNonlinearSolve = "1.6.1"
 Parameters = "0.12"
 Pkg = "1.11, 1.12"