diff --git a/test/Project.toml b/test/Project.toml
index 80b1debd..70556c07 100644
--- a/test/Project.toml
+++ b/test/Project.toml
@@ -35,7 +35,7 @@ pocl_jll = "627d6b7a-bbe6-5189-83e7-98cc0a5aeadd"
 Adapt = "4"
 BenchmarkTools = "1"
 CUDA = "6"
-DiffEqDevTools = "3"
+DiffEqDevTools = "3, 4.0"
 DiffEqGPU = "3"
 ForwardDiff = "1"
 GPUArraysCore = "0.2"