diff --git a/docs/Project.toml b/docs/Project.toml
index 3c675eb123..f52579a1a9 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -21,7 +21,7 @@ Unitful = "1986cc42-f94f-5a68-af5c-568840ba703d"
 BenchmarkTools = "1.3"
 DifferentialEquations = "7.6"
 Distributions = "0.25"
-Documenter = "0.27"
+Documenter = "0.27, 1"
 ModelingToolkit = "8.33"
 NonlinearSolve = "0.3, 1"
 Optim = "1.7"