diff --git a/docs/Project.toml b/docs/Project.toml
index d0385ccd..b08498bc 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -22,6 +22,7 @@ ControlSystemsBase = "1.14.4"
 Documenter = "1"
 DocumenterCitations = "1.3"
 Lux = "1.2"
+ModelingToolkit = "10"
 NeuralLyapunov = "0.2"
 NeuralLyapunovProblemLibrary = "0.0.1"
 NeuralPDE = "5.17"