diff --git a/Project.toml b/Project.toml
index c13a19024..ed81f706b 100644
--- a/Project.toml
+++ b/Project.toml
@@ -8,7 +8,7 @@ Requires = "ae029012-a4dd-5104-9daa-d747884805df"
 SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
 
 [compat]
-Requires = "0.5"
+Requires = "0.5, 1.0"
 julia = "1"
 
 [extras]