diff --git a/Project.toml b/Project.toml
index b6b99b23f..c821f267a 100644
--- a/Project.toml
+++ b/Project.toml
@@ -34,7 +34,7 @@ BandedMatrices = "0.17"
 CommonSolve = "0.2"
 DiffResults = "1"
 DocStringExtensions = "0.8,0.9"
-ExtendableGrids = "0.9.16"
+ExtendableGrids = "0.9.16, 1"
 ExtendableSparse = "1.2"
 ForwardDiff = "0.10.35"
 GridVisualize = "0.5.2,0.6.1,1"