diff --git a/Project.toml b/Project.toml
index c0e5e90..faac017 100644
--- a/Project.toml
+++ b/Project.toml
@@ -17,5 +17,6 @@ SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
 ArnoldiMethod = "0.2"
 Colors = "0.12"
 Compose = "0.9"
+DelimitedFiles = "1"
 Graphs = "1.4"
 julia = "1.6"