diff --git a/Project.toml b/Project.toml
index 5590c50..a8e57d3 100644
--- a/Project.toml
+++ b/Project.toml
@@ -17,7 +17,7 @@ UUIDs = "cf7118a7-6976-5b1a-9a39-7adc72f591a4"
 
 [compat]
 Combinatorics = "1.0.3"
-DataStructures = "0.18"
+DataStructures = "0.18, 0.19"
 Graphs = "1.8"
 Reexport = "1"
 SoleBase = "0.13"