diff --git a/Project.toml b/Project.toml
index a9579e1..f206ec6 100644
--- a/Project.toml
+++ b/Project.toml
@@ -23,7 +23,7 @@ DelimitedFiles = "1"
 Graphs = "1"
 MetaGraphsNext = "0.5, 0.6, 0.7, 0.8"
 MutableNamedTuples = "0.1"
-OrderedCollections = "1.4"
+OrderedCollections = "1.4, 2.0"
 PrettyTables = "3"
 SHA = "0.7, 1"
 Tables = "1"