diff --git a/docs/Project.toml b/docs/Project.toml
index 7e2c2f67..d193484f 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -12,7 +12,7 @@ StatsBase = "2913bbd2-ae8a-5f71-8c99-4fb6c76f3a91"
 
 [compat]
 CellularAutomata = "0.0.4"
-DifferentialEquations = "7"
+DifferentialEquations = "7.15.0"
 Documenter = "1"
 OrdinaryDiffEq = "6"
 Plots = "1"