diff --git a/Project.toml b/Project.toml
index 0fcb0d0..d521d2d 100644
--- a/Project.toml
+++ b/Project.toml
@@ -12,6 +12,7 @@ Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
 Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
 
 [compat]
+julia = "1.4"
 NNlib = "0.6"
 PaddedViews = "0.5"
 ProgressMeter = "1.2"