diff --git a/test/Project.toml b/test/Project.toml
index 17a33fb..4db5838 100644
--- a/test/Project.toml
+++ b/test/Project.toml
@@ -11,4 +11,4 @@ DifferentialEquations = "7.6"
 MethodOfLines = "0.6, 0.7"
 ModelingToolkit = "8.33"
 SafeTestsets = "0.0.1"
-Symbolics = "4.13"
+Symbolics = "4.13, 5"