diff --git a/rust-version b/rust-version
index 0423627269b..fdd83d70814 100644
--- a/rust-version
+++ b/rust-version
@@ -1 +1 @@
-25ec8273855fde2d72ae877b397e054de5300e10
+0157cc977fd71297ce73e2f249321f5ba2555d42
diff --git a/tests/run-pass/available-concurrency.rs b/tests/run-pass/available-concurrency.rs
index 5f3121ca8a6..422046c62d6 100644
--- a/tests/run-pass/available-concurrency.rs
+++ b/tests/run-pass/available-concurrency.rs
@@ -1,5 +1,5 @@
-#![feature(available_concurrency)]
+#![feature(available_parallelism)]
 
 fn main() {
-    assert_eq!(std::thread::available_concurrency().unwrap().get(), 1);
+    assert_eq!(std::thread::available_parallelism().unwrap().get(), 1);
 }