diff --git a/Project.toml b/Project.toml
index 22cbed3..a2bfd44 100644
--- a/Project.toml
+++ b/Project.toml
@@ -25,6 +25,7 @@ TimeZones = "f269a46b-ccf7-5d73-abea-4c690281aa53"
 [compat]
 AstroLib = "0.4.1"
 DataFrames = "1.2.2"
+Dates = "1.10"
 FillArrays = "1"
 LabelledArrays = "1.6.5"
 Missings = "1.0.2"