diff --git a/libm/src/math/arch/x86/detect.rs b/libm/src/math/arch/x86/detect.rs
index e6d9b040b..ca785470b 100644
--- a/libm/src/math/arch/x86/detect.rs
+++ b/libm/src/math/arch/x86/detect.rs
@@ -39,6 +39,8 @@ pub fn get_cpu_features() -> Flags {
 /// Implementation is taken from [std-detect][std-detect].
 ///
 /// [std-detect]: https://github.com/rust-lang/stdarch/blob/690b3a6334d482874163bd6fcef408e0518febe9/crates/std_detect/src/detect/os/x86.rs#L142
+// FIXME(msrv): Remove unsafe block around __cpuid once https://github.com/rust-lang/stdarch/pull/1935 is available in MSRV.
+#[allow(unused_unsafe)]
 fn load_x86_features() -> Flags {
     let mut value = Flags::empty();
 
diff --git a/rust-version b/rust-version
index 7345c2506..6a2835bc2 100644
--- a/rust-version
+++ b/rust-version
@@ -1 +1 @@
-2dc30247c5d8293aaa31e1d7dae2ed2fde908ada
+23d01cd2412583491621ab1ca4f1b01e37d11e39