diff --git a/Project.toml b/Project.toml
index ffef8c4a..9e65aade 100644
--- a/Project.toml
+++ b/Project.toml
@@ -29,7 +29,7 @@ Tables = "bd369af6-aec1-5ad0-b16a-f7cc5008161c"
 [compat]
 BenchmarkTools = "1"
 CTBase = "0.16"
-CUDA = "5"
+CUDA = "6"
 DataFrames = "1"
 Dates = "1"
 DocStringExtensions = "0.9"