diff --git a/Project.toml b/Project.toml
index d5c30152e5..d474fe9df3 100644
--- a/Project.toml
+++ b/Project.toml
@@ -160,7 +160,7 @@ StaticArrays = "1.9.14"
 StochasticDelayDiffEq = "1.11"
 StochasticDiffEq = "6.82.0"
 SymbolicIndexingInterface = "0.3.39"
-SymbolicUtils = "3.30.0"
+SymbolicUtils = "3.30.0, 4"
 Symbolics = "6.40"
 URIs = "1"
 UnPack = "0.1, 1.0"