diff --git a/docs/Project.toml b/docs/Project.toml
index aa8f7ba8f8..63da20476f 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -22,7 +22,7 @@ Unitful = "1986cc42-f94f-5a68-af5c-568840ba703d"
 
 [compat]
 BenchmarkTools = "1.3"
-BifurcationKit = "0.3"
+BifurcationKit = "0.3, 0.4"
 DifferentialEquations = "7.6"
 Distributions = "0.25"
 Documenter = "1"