diff --git a/Cargo.lock b/Cargo.lock
index 634e81eaf80b4..a2172bdb51513 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2273,9 +2273,9 @@ checksum = "803ec87c9cfb29b9d2633f20cba1f488db3fd53f2158b1024cbefb47ba05d413"
 
 [[package]]
 name = "libc"
-version = "0.2.189"
+version = "0.2.191"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3eaf3ede3fee6db1a4c2ee091bf8a8b4dccdc6d17f656fb07896ee72867612f2"
+checksum = "65cd87c9a6d60536580b316ad985726104730a5151c99845f2490428ef91240a"
 
 [[package]]
 name = "libffi"
@@ -2378,9 +2378,9 @@ dependencies = [
 
 [[package]]
 name = "linux-raw-sys"
-version = "0.11.0"
+version = "0.12.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "df1d3c3b53da64cf5760482273a98e575c651a67eec7f77df96b5b642de8f039"
+checksum = "32a66949e030da00e8c7d4434b251670a91556f4144941d37452769c25d58a53"
 
 [[package]]
 name = "litemap"
@@ -5191,9 +5191,9 @@ dependencies = [
 
 [[package]]
 name = "rustix"
-version = "1.1.2"
+version = "1.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cd15f8a2c5551a84d56efdc1cd049089e409ac19a3072d5037a17fd70719ff3e"
+checksum = "891efababe418670775f199f0d233d84843c227a0949a883ce15b37c78d6629d"
 dependencies = [
  "bitflags",
  "errno",
diff --git a/library/std/src/sys/sync/futex/unix.rs b/library/std/src/sys/sync/futex/unix.rs
index 004d8323060e5..82861c35e4c43 100644
--- a/library/std/src/sys/sync/futex/unix.rs
+++ b/library/std/src/sys/sync/futex/unix.rs
@@ -11,6 +11,18 @@ pub type SmallFutex = Atomic<SmallPrimitive>;
 /// Must be the underlying type of SmallFutex
 pub type SmallPrimitive = u32;
 
+#[cfg(any(target_os = "linux", target_os = "android"))]
+cfg_select! {
+    // riscv32 only exposes the `SYS_futex_time64` syscall,
+    // whereas other 32-bit targets also expose `SYS_futex`, which uses 32-bit time.
+    target_arch = "riscv32" => {
+        use libc::SYS_futex_time64 as SYS_futex;
+    }
+    _ => {
+        use libc::SYS_futex;
+    }
+}
+
 /// Waits for a `futex_wake` operation to wake us.
 ///
 /// Returns directly if the futex doesn't hold the expected value.
@@ -61,7 +73,7 @@ pub fn futex_wait(futex: &Atomic<u32>, expected: u32, timeout: Option<Duration>)
                     // Use FUTEX_WAIT_BITSET rather than FUTEX_WAIT to be able to give an
                     // absolute time rather than a relative time.
                     libc::syscall(
-                        libc::SYS_futex,
+                        SYS_futex,
                         futex as *const Atomic<u32> as *const u32,
                         libc::FUTEX_WAIT_BITSET | libc::FUTEX_PRIVATE_FLAG,
                         expected,
@@ -94,7 +106,7 @@ pub fn futex_wait(futex: &Atomic<u32>, expected: u32, timeout: Option<Duration>)
 pub fn futex_wake(futex: &Atomic<u32>) -> bool {
     let ptr = futex as *const Atomic<u32> as *const u32;
     let op = libc::FUTEX_WAKE | libc::FUTEX_PRIVATE_FLAG;
-    unsafe { libc::syscall(libc::SYS_futex, ptr, op, 1) > 0 }
+    unsafe { libc::syscall(SYS_futex, ptr, op, 1) > 0 }
 }
 
 /// Wakes up all threads that are waiting on `futex_wait` on this futex.
@@ -103,7 +115,7 @@ pub fn futex_wake_all(futex: &Atomic<u32>) {
     let ptr = futex as *const Atomic<u32> as *const u32;
     let op = libc::FUTEX_WAKE | libc::FUTEX_PRIVATE_FLAG;
     unsafe {
-        libc::syscall(libc::SYS_futex, ptr, op, i32::MAX);
+        libc::syscall(SYS_futex, ptr, op, i32::MAX);
     }
 }