diff --git a/Project.toml b/Project.toml
index fe5baaa..c97f13a 100644
--- a/Project.toml
+++ b/Project.toml
@@ -28,7 +28,7 @@ DashBase = "1"
 DashCoreComponents = "2.0.0"
 DashHtmlComponents = "2.0.0"
 DashTable = "5.0.0"
-DataStructures = "0.17, 0.18"
+DataStructures = "0.17, 0.18, 0.19"
 HTTP = "1"
 JSON = "0.21"
 JSON3 = "1.9"