diff --git a/Project.toml b/Project.toml
index 6c8f0d36..8fb3c175 100644
--- a/Project.toml
+++ b/Project.toml
@@ -27,7 +27,7 @@ JuMPExt = "JuMP"
 FastBroadcast = "1.3"
 JuMP = "1.28"
 LinearAlgebra = "1"
-LinearSolve = "3.75"
+LinearSolve = "3.75, 4.2"
 MuladdMacro = "0.2.4"
 OrdinaryDiffEqCore = "4.2"
 RecipesBase = "1.3.4"
diff --git a/docs/Project.toml b/docs/Project.toml
index c513ee06..4b5ffd4f 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -33,7 +33,7 @@ DoubleFloats = "1.4"
 InteractiveUtils = "1"
 JuMP = "1.28"
 LinearAlgebra = "1"
-LinearSolve = "3.7.1"
+LinearSolve = "3.7.1, 4.2"
 OrdinaryDiffEqFIRK = "2"
 OrdinaryDiffEqLowOrderRK = "2"
 OrdinaryDiffEqRosenbrock = "2"
diff --git a/test/Project.toml b/test/Project.toml
index 4055a5c1..941e00e2 100644
--- a/test/Project.toml
+++ b/test/Project.toml
@@ -30,7 +30,7 @@ DoubleFloats = "1.4.3"
 ExplicitImports = "1.0.1"
 JuMP = "1.28"
 LinearAlgebra = "1"
-LinearSolve = "3.75"
+LinearSolve = "3.75, 4.2"
 OrdinaryDiffEqLowOrderRK = "2"
 OrdinaryDiffEqRosenbrock = "2"
 OrdinaryDiffEqSDIRK = "2"