diff --git a/Project.toml b/Project.toml
index 98c4b99..b8846c3 100644
--- a/Project.toml
+++ b/Project.toml
@@ -18,6 +18,7 @@ Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
 TimeSeries = "9e3dc215-6440-5c97-bce1-76c03772f85e"
 
 [compat]
+GZip = "0.5"
 julia = "1"
 
 [extras]