diff --git a/Cargo.lock b/Cargo.lock
index 621547fbdf..8428a9dd26 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -103,6 +103,12 @@ version = "0.10.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a6ef517f0926dd24a1582492c791b6a4818a4d94e789a334894aa15b0d12f55c"
 
+[[package]]
+name = "const_fn"
+version = "0.4.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "413d67b29ef1021b4d60f4aa1e925ca031751e213832b4b1d588fae623c05c60"
+
 [[package]]
 name = "constant_time_eq"
 version = "0.4.2"
@@ -795,12 +801,13 @@ dependencies = [
 
 [[package]]
 name = "x86_64"
-version = "0.14.13"
+version = "0.15.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c101112411baafbb4bf8d33e4c4a80ab5b02d74d2612331c61e8192fc9710491"
+checksum = "be4ec631e1a81d50e46c35a4a00322bd076c47491b64c2fb10a7ffa89002c697"
 dependencies = [
  "bit_field",
  "bitflags 2.13.1",
+ "const_fn",
  "rustversion",
  "volatile 0.4.6",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index c46902328e..4ea32539e8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -952,7 +952,7 @@ volatile = { version = "0.6", default-features = false }
 smoltcp = { version = "0.11", default-features = false, features = ["alloc", "socket-raw", "socket-udp", "socket-tcp", "proto-ipv4", "proto-ipv6", "medium-ethernet"] }
 
 [target.'cfg(target_arch = "x86_64")'.dependencies]
-x86_64 = { version = "0.14", default-features = false, features = ["abi_x86_interrupt", "instructions"] }
+x86_64 = { version = "0.15", default-features = false, features = ["abi_x86_interrupt", "instructions"] }
 
 [build-dependencies]
 blake3        = { version = "1.5",  default-features = false }