diff --git a/Project.toml b/Project.toml
index a6c46c4..ccb5495 100644
--- a/Project.toml
+++ b/Project.toml
@@ -26,6 +26,6 @@ ChainRulesOverloadGeneration = "0.1"
 NNlib = "0.9"
 SpecialFunctions = "2"
 SymbolicUtils = "2, 3"
-Symbolics = "5.30.1"
+Symbolics = "5.30.1, 6"
 Zygote = "0.6.55"
 julia = "1.6"