diff --git a/Project.toml b/Project.toml
index 206e0d579..2b3ee9bfb 100644
--- a/Project.toml
+++ b/Project.toml
@@ -26,6 +26,7 @@ Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
 [compat]
 Bootstrap = "2.2"
 DataFrames = "0.22, 1.0"
+DelimitedFiles = "1"
 Dierckx = "0.5"
 Distributions = "0.24, 0.25"
 DynamicPolynomials = "0.4.5"