diff --git a/docs/Project.toml b/docs/Project.toml
index a18db09ea5..6284feb273 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -49,7 +49,7 @@ BifurcationKit = "0.3.4"
 CairoMakie = "0.12"
 Catalyst = "14.4"
 DataFrames = "1.6"
-DiffEqBase = "< 6.159.0"
+DiffEqBase = "< 6.159.0, 6"
 DiffEqParamEstim = "2.2"
 Distributions = "0.25"
 Documenter = "1.4.1"