diff --git a/Project.toml b/Project.toml
index 2333f22d..f9576daf 100644
--- a/Project.toml
+++ b/Project.toml
@@ -43,7 +43,7 @@ PlotThemes = "1"
 PlotUtils = "0.6.1"
 RecipesBase = "0.6, 0.7"
 Reexport = "0.2"
-Requires = "0.5"
+Requires = "0.5, 1.0"
 Showoff = "0.3.1"
 StatsBase = "0.32"
 julia = "1"