diff --git a/docs/Project.toml b/docs/Project.toml
index fca3dfa55a..1a9699fe7e 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -109,6 +109,6 @@ Statistics = "1"
 StatsPlots = "0.15"
 SymbolicIndexingInterface = "0.3"
 SymbolicRegression = "1"
-Symbolics = "6"
+Symbolics = "6, 7"
 Unitful = "1"
 Zygote = "0.7"