diff --git a/Project.toml b/Project.toml
index 291092c8..46e41aaa 100644
--- a/Project.toml
+++ b/Project.toml
@@ -31,7 +31,7 @@ BenchmarkTools = "1"
 CUDA = "3, 4, 5"
 ClimaComms = "0.4, 0.5, 0.6"
 ClimaCore = "0.10, 0.11, 0.12, 0.13, 0.14"
-DataStructures = "0.18"
+DataStructures = "0.18, 0.19"
 DiffEqBase = "6"
 Distributions = "0.25"
 KernelAbstractions = "0.7, 0.8, 0.9"