diff --git a/Project.toml b/Project.toml
index 74d81a0..6d7c624 100644
--- a/Project.toml
+++ b/Project.toml
@@ -25,6 +25,7 @@ MetaGraphsNext = "0.5, 0.6, 0.7, 0.8"
 MutableNamedTuples = "0.1"
 OrderedCollections = "1.4, 2.0"
 PrettyTables = "3"
+Printf = "1.10"
 SHA = "0.7, 1"
 Tables = "1"
 XLSX = "0.7, 0.8, 0.9, 0.10, 0.11, 0.12"