diff --git a/docs/Project.toml b/docs/Project.toml
index 3adf7702cd..a44ca1c2c5 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -73,4 +73,4 @@ StaticArrays = "1.9"
 SteadyStateDiffEq = "2.2"
 StochasticDiffEq = "6.65"
 StructuralIdentifiability = "0.5.8"
-Symbolics = "5.30.1"
+Symbolics = "5.30.1, 6"