diff --git a/Project.toml b/Project.toml
index a27fccc9..3be18670 100644
--- a/Project.toml
+++ b/Project.toml
@@ -20,7 +20,7 @@ Aqua = "0.7"
 CategoricalArrays = "0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 0.10"
 DataAPI = "1.1"
 DataFrames = "1"
-DataStructures = "0.17, 0.18"
+DataStructures = "0.17, 0.18, 0.19"
 ShiftedArrays = "1, 2"
 Statistics = "1"
 StatsAPI = "1.7"