diff --git a/Project.toml b/Project.toml
index 1709ce7..84a1318 100644
--- a/Project.toml
+++ b/Project.toml
@@ -35,6 +35,7 @@ UnicodePlots = "b8865327-cd53-5732-bb35-84acbb429228"
 DiffEqCallbacks = "3.9.1"
 ModelingToolkit = "9.41.0"
 SymbolicIndexingInterface = "0.3.37"
+Symbolics = "6"
 julia = "1.6, <1.12"
 
 [extras]