diff --git a/stackline/Cargo.toml b/stackline/Cargo.toml
index 6463d69..b5558cc 100755
--- a/stackline/Cargo.toml
+++ b/stackline/Cargo.toml
@@ -10,7 +10,7 @@ edition = "2021"
 palette = "0.6"
 enum_dispatch = "0.3"
 contracts = { version = "0.6.3", features = ["override_debug"] }
-veccell = "0.2.1"
+veccell = "0.3.0"
 pathfinding = "3.0"
 
 [dev-dependencies]