diff --git a/Project.toml b/Project.toml
index c240849..090eb25 100644
--- a/Project.toml
+++ b/Project.toml
@@ -18,6 +18,7 @@ CairoMakie = "0.10"
 JLD2 = "0.4"
 LaTeXStrings = "1.3"
 Latexify = "0.16"
+OrderedCollections = "1.6"
 Reexport = "1.2"
 Revise = "3.5"
 Unidecode = "1.1"