diff --git a/Project.toml b/Project.toml
index 3780ef9..d516cb3 100644
--- a/Project.toml
+++ b/Project.toml
@@ -29,7 +29,7 @@ DiffResults = "1"
 DifferentiationInterface = "0.7.10"
 DocStringExtensions = "0.8,0.9"
 ExtendableGrids = "1.13.0"
-ExtendableSparse = "1.5.1"
+ExtendableSparse = "1.5.1, 2"
 ForwardDiff = "0.10.35, 1"
 LinearAlgebra = "1.9"
 Polynomials = "2.0.21, 3, 4"