diff --git a/Project.toml b/Project.toml
index 367e6f4..7376f7b 100644
--- a/Project.toml
+++ b/Project.toml
@@ -33,7 +33,7 @@ FastRationals = "0.3.0"
 ForwardDiff = "1.3.0"
 InverseFunctions = "0.1"
 LinearAlgebra = "1.10"
-LinearSolve = "3.15.0"
+LinearSolve = "3.15.0, 4.2"
 Markdown = "1.10.0"
 NonlinearSolveBase = "2.25"
 NonlinearSolveFirstOrder = "2"