diff --git a/Project.toml b/Project.toml
index be6b46a..12143f2 100644
--- a/Project.toml
+++ b/Project.toml
@@ -19,6 +19,7 @@ UnPack = "3a884ed6-31ef-47d7-9d2a-63182c4928ed"
 CoverageTools = "1"
 DefaultApplication = "1"
 DocStringExtensions = "0.8, 0.9"
+OrderedCollections = "1"
 PrettyTables = "0.12, 1.0, 2"
 UnPack = "1"
 julia = "1.6"