diff --git a/Project.toml b/Project.toml
index 6d68d1b..774fd8b 100644
--- a/Project.toml
+++ b/Project.toml
@@ -10,6 +10,7 @@ Dates = "ade2ca70-3891-5945-98fb-dc099432e06a"
 Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
 
 [compat]
+DataFrames = "1"
 julia = "1"
 
 [extras]