diff --git a/Cargo.lock b/Cargo.lock
index 394e6ca84..caabab574 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -172,9 +172,9 @@ dependencies = [
 
 [[package]]
 name = "byteorder"
-version = "1.4.2"
+version = "1.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ae44d1a3d5a19df61dd0c8beb138458ac2a53a7ac09eba97d55592540004306b"
+checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
 
 [[package]]
 name = "cc"
diff --git a/arch/Cargo.toml b/arch/Cargo.toml
index 8c2a84e3a..058b6dba3 100644
--- a/arch/Cargo.toml
+++ b/arch/Cargo.toml
@@ -12,7 +12,7 @@ tdx = []
 acpi_tables = { path = "../acpi_tables", optional = true }
 anyhow = "1.0"
 arch_gen = { path = "../arch_gen" }
-byteorder = "1.3.4"
+byteorder = "1.4.3"
 hypervisor = { path = "../hypervisor" }
 libc = "0.2.88"
 linux-loader = { version = "0.3.0", features = ["elf", "bzimage", "pe"] }
diff --git a/devices/Cargo.toml b/devices/Cargo.toml
index 963312024..606df3a5b 100644
--- a/devices/Cargo.toml
+++ b/devices/Cargo.toml
@@ -6,7 +6,7 @@ authors = ["The Chromium OS Authors"]
 [dependencies]
 anyhow = "1.0"
 bitflags = ">=1.2.1"
-byteorder = "1.3.4"
+byteorder = "1.4.3"
 epoll = ">=4.0.1"
 libc = "0.2.88"
 log = "0.4.14"
diff --git a/pci/Cargo.toml b/pci/Cargo.toml
index a1a5ac6f7..b3d902877 100644
--- a/pci/Cargo.toml
+++ b/pci/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2018"
 
 [dependencies]
 anyhow = "1.0"
-byteorder = "1.3.4"
+byteorder = "1.4.3"
 hypervisor = { path = "../hypervisor" }
 vfio-ioctls = { git = "https://github.com/rust-vmm/vfio-ioctls", branch = "master" }
 vmm-sys-util = ">=0.3.1"
diff --git a/qcow/Cargo.toml b/qcow/Cargo.toml
index 890e375f4..ec9b76482 100644
--- a/qcow/Cargo.toml
+++ b/qcow/Cargo.toml
@@ -9,7 +9,7 @@ license = "BSD-3-Clause"
 path = "src/qcow.rs"
 
 [dependencies]
-byteorder = "1.3.4"
+byteorder = "1.4.3"
 libc = "0.2.88"
 log = "0.4.14"
 remain = "0.2.2"
diff --git a/virtio-devices/Cargo.toml b/virtio-devices/Cargo.toml
index 1c30a8899..6aaf8849c 100644
--- a/virtio-devices/Cargo.toml
+++ b/virtio-devices/Cargo.toml
@@ -12,7 +12,7 @@ io_uring = ["block_util/io_uring"]
 anyhow = "1.0"
 arc-swap = ">=1.0.0"
 block_util = { path = "../block_util" }
-byteorder = "1.3.4"
+byteorder = "1.4.3"
 epoll = ">=4.0.1"
 event_monitor = { path = "../event_monitor" }
 io-uring = ">=0.4.0"