diff --git a/config.ml b/config.ml
index 1e308ec..d2e198e 100644
--- a/config.ml
+++ b/config.ml
@@ -1,4 +1,4 @@
-(* mirage >= 4.5.0 & < 4.6.0 *)
+(* mirage >= 4.5.0 & < 4.7.0 *)
 open Mirage
 
 (* xenstore id 51712 is the root volume *)