diff --git a/Project.toml b/Project.toml
index 37771b3..da94047 100644
--- a/Project.toml
+++ b/Project.toml
@@ -18,7 +18,7 @@ SemialgebraicSets = "8e049039-38e8-557d-ae3a-bc521ccf6204"
 StarAlgebras = "0c0c59c1-dc5f-42e9-9a8b-b5dc384a6cd1"
 
 [compat]
-DataStructures = "0.18"
+DataStructures = "0.18, 0.19"
 DynamicPolynomials = "0.5,0.6"
 IntervalArithmetic = "0.20, 0.21, 0.22" # Needs v0.20 for Julia v1.6 support
 JuMP = "1"