diff --git a/docs/Project.toml b/docs/Project.toml
index 2eaca463c1..f0256c97bd 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -68,7 +68,7 @@ DataDrivenDiffEq = "1.4"
 DataDrivenSparse = "0.1"
 DataFrames = "1"
 DiffEqGPU = "3"
-DifferentialEquations = "7"
+DifferentialEquations = "7, 8"
 Distributions = "0.25"
 Documenter = "1"
 DomainSets = "0.7, 0.8"