diff --git a/Project.toml b/Project.toml
index 7b3b80a2d..77cfb4142 100644
--- a/Project.toml
+++ b/Project.toml
@@ -79,6 +79,7 @@ Colors = "0.12"
 Combinatorics = "1"
 CoordinateTransformations = "0.5, 0.6"
 DataStructures = "0.17, 0.18"
+DelimitedFiles = "1"
 DistributedFactorGraphs = "0.20.1, 0.21, 0.22"
 Distributions = "0.25"
 DocStringExtensions = "0.8, 0.9"