diff --git a/rust-version b/rust-version
index f90b8945180f..07d9d2955478 100644
--- a/rust-version
+++ b/rust-version
@@ -1 +1 @@
-2111aed0a38c819acb140c7153e9366964a37f2f
+ef1ecbefb8719e408150738664d443a73f757ffd
diff --git a/tests/compile-fail/never_transmute_void.rs b/tests/compile-fail/never_transmute_void.rs
index 5993cfad8699..a5d6795d71e7 100644
--- a/tests/compile-fail/never_transmute_void.rs
+++ b/tests/compile-fail/never_transmute_void.rs
@@ -2,7 +2,7 @@
 // compile-flags: -Zmiri-disable-validation
 
 #![feature(never_type)]
-#![allow(unused)]
+#![allow(unused, invalid_value)]
 
 enum Void {}