diff --git a/Project.toml b/Project.toml
index 21442e5..3577514 100644
--- a/Project.toml
+++ b/Project.toml
@@ -15,6 +15,7 @@ Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
 cuDNN = "02a925ec-e4fe-4b08-9a7e-0d78e3d38ccd"
 
 [compat]
+CUDA = "5"
 Distances = "0.10.11"
 Distributions = "0.25.110"
 Flux = "0.14.19"