diff --git a/Project.toml b/Project.toml
index 8d4c388..e443785 100644
--- a/Project.toml
+++ b/Project.toml
@@ -47,7 +47,7 @@ VMRobotControlMakieExt = "Makie"
 BenchmarkTools = "1"
 ColorTypes = "0.11, 0.12"
 Colors = "0.12, 0.13"
-DataStructures = "0.18"
+DataStructures = "0.18, 0.19"
 DiffResults = "1"
 DifferentialEquations = "7"
 DigitalAssetExchangeFormatIO = "1.1.3"