diff --git a/Project.toml b/Project.toml
index 9f5edcc..982ffd9 100644
--- a/Project.toml
+++ b/Project.toml
@@ -16,7 +16,7 @@ URIs = "5c2747f8-b7ea-4ff2-ba2e-563bfd36b1d4"
 
 [compat]
 Base64 = "1"
-DataStructures = "0.18.20"
+DataStructures = "0.18.20, 0.19"
 Dates = "1"
 JSON3 = "1"
 Logging = "1"