diff --git a/Project.toml b/Project.toml
index dde08c8..4409f7a 100644
--- a/Project.toml
+++ b/Project.toml
@@ -21,7 +21,7 @@ ForwardDiff = "0.10.3, 1"
 MacroTools = "0.5"
 PreallocationTools = "0.4, 1.0"
 PrecompileTools = "1"
-RecursiveArrayTools = "3.1"
+RecursiveArrayTools = "3.1, 4.0"
 StaticArrays = "1.0"
 julia = "1.10"