diff --git a/Project.toml b/Project.toml
index a254a37..5427d30 100644
--- a/Project.toml
+++ b/Project.toml
@@ -27,7 +27,7 @@ FresnelIntegrals = "0.2.0"
 HypergeometricFunctions = "0.3.28"
 Nemo = "0.51"
 PolyLog = "2.6.0"
-SymbolicUtils = "3"
+SymbolicUtils = "3, 4"
 Symbolics = "6"
 julia = "1.10"