diff --git a/Project.toml b/Project.toml
index 577ffb3..34da251 100644
--- a/Project.toml
+++ b/Project.toml
@@ -27,6 +27,7 @@ TestItems = "1c621080-faea-4a02-84b6-bbd5e436b8fe"
 TextWrap = "b718987f-49a8-5099-9789-dcd902bef87d"
 
 [compat]
+DifferentialEquations = "7"
 SpecialFunctions = "2"
 TestItemRunner = "1"
 GLMakie = "0.13"