diff --git a/Project.toml b/Project.toml
index 173f60b..596d2fa 100644
--- a/Project.toml
+++ b/Project.toml
@@ -8,6 +8,6 @@ CBinding = "d43a6710-96b8-4a2d-833c-c424785e5374"
 Reexport = "189a3867-3050-52da-a836-e630ba90ab69"
 
 [compat]
-CBinding = "0.9"
+CBinding = "0.9, 1"
 Reexport = "1.0"
 julia = "1.5"