diff --git a/Project.toml b/Project.toml
index 571fa7b2..217147a1 100644
--- a/Project.toml
+++ b/Project.toml
@@ -35,7 +35,7 @@ JuliaFormatter = "1"
 Makie = "0.21.5, 0.22, 0.23, 0.24"
 NCDatasets = "0.13.1, 0.14"
 NaNStatistics = "=0.6.8, 0.6.8 - 0.6.50, 0.6.53 - 0.6.56, 0.6.58"
-OrderedCollections = "1.3"
+OrderedCollections = "1.3, 2.0"
 Reexport = "1"
 SafeTestsets = "0.1"
 Statistics = "1"