diff --git a/Project.toml b/Project.toml
index b667f554..3100bd34 100644
--- a/Project.toml
+++ b/Project.toml
@@ -72,7 +72,7 @@ SciMLBase = "2"
 Sobol = "1, 2"
 StaticArraysCore = "1"
 StatsBase = "0.33, 0.34"
-Symbolics = "5"
+Symbolics = "5, 6"
 TaylorDiff = "0.2"
 julia = "1.8"