diff --git a/docs/Project.toml b/docs/Project.toml
index edc98411..22429e80 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -12,7 +12,7 @@ SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
 Documenter = "1"
 Literate = "2"
 MAT = "0.10"
-ModelingToolkit = "8"
+ModelingToolkit = "8, 9"
 Plots = "1"
-ReachabilityAnalysis = "0.22 - 0.25"
+ReachabilityAnalysis = "0.22 - 0.26"
 ReachabilityBase = "0.2.3"