diff --git a/Project.toml b/Project.toml
index b12c49f..f9fdea9 100644
--- a/Project.toml
+++ b/Project.toml
@@ -8,7 +8,7 @@ InteractiveUtils = "b77e0a4c-d291-57a0-90e8-8db25a27a240"
 MacroTools = "1914dd2f-81c6-5fcd-8719-6d5c9610ff09"
 
 [compat]
-DataStructures = "0.17, 0.18"
+DataStructures = "0.17, 0.18, 0.19"
 MacroTools = "0.5.4"
 julia = "1"