diff --git a/Cargo.lock b/Cargo.lock
index b42c36db8..d19ed7f60 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -540,9 +540,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.72"
+version = "0.2.73"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a9f8082297d534141b30c8d39e9b1773713ab50fdbe4ff30f750d063b3bfd701"
+checksum = "bd7d4bd64732af4bf3a67f367c27df8520ad7e230c5817b8ff485864d80242b9"
 
 [[package]]
 name = "libssh2-sys"
diff --git a/Cargo.toml b/Cargo.toml
index 9c8065f49..ebfc292d9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,7 +12,7 @@ lto = true
 [dependencies]
 clap = { version = "2.33.1", features = ["wrap_help"] }
 hypervisor = { path = "hypervisor" }
-libc = "0.2.72"
+libc = "0.2.73"
 log = { version = "0.4.11", features = ["std"] }
 seccomp = { git = "https://github.com/firecracker-microvm/firecracker", tag = "v0.21.1" }
 serde_json = "1.0.56"
diff --git a/arch/Cargo.toml b/arch/Cargo.toml
index 50ab63697..13fcaca20 100644
--- a/arch/Cargo.toml
+++ b/arch/Cargo.toml
@@ -13,7 +13,7 @@ byteorder = "1.3.4"
 hypervisor = { path = "../hypervisor" }
 kvm-bindings = { git = "https://github.com/cloud-hypervisor/kvm-bindings", branch = "ch" }
 kvm-ioctls = { git = "https://github.com/cloud-hypervisor/kvm-ioctls", branch = "ch" }
-libc = "0.2.72"
+libc = "0.2.73"
 log = "0.4.11"
 vm-memory = { version = "0.2.1", features = ["backend-mmap"] }
 acpi_tables = { path = "../acpi_tables", optional = true }
diff --git a/devices/Cargo.toml b/devices/Cargo.toml
index 8ae513699..f84d4f1f2 100644
--- a/devices/Cargo.toml
+++ b/devices/Cargo.toml
@@ -8,7 +8,7 @@ anyhow = "1.0"
 bitflags = ">=1.2.1"
 byteorder = "1.3.4"
 epoll = ">=4.0.1"
-libc = "0.2.72"
+libc = "0.2.73"
 log = "0.4.11"
 serde = {version = ">=1.0.27", features = ["rc"] }
 serde_derive = ">=1.0.27"
diff --git a/hypervisor/Cargo.toml b/hypervisor/Cargo.toml
index 5c3347c79..bab22ff3e 100644
--- a/hypervisor/Cargo.toml
+++ b/hypervisor/Cargo.toml
@@ -10,7 +10,7 @@ kvm = []
 [dependencies]
 anyhow = "1.0"
 thiserror = "1.0"
-libc = "0.2.69"
+libc = "0.2.73"
 kvm-ioctls = { git = "https://github.com/cloud-hypervisor/kvm-ioctls", branch = "ch" }
 kvm-bindings = { git = "https://github.com/cloud-hypervisor/kvm-bindings", branch = "ch", features = ["with-serde", "fam-wrappers"] }
 serde = {version = ">=1.0.27", features = ["rc"] }
diff --git a/net_util/Cargo.toml b/net_util/Cargo.toml
index de90d4ff9..139bed237 100644
--- a/net_util/Cargo.toml
+++ b/net_util/Cargo.toml
@@ -5,7 +5,7 @@ authors = ["The Chromium OS Authors"]
 
 [dependencies]
 epoll = ">=4.0.1"
-libc = "0.2.72"
+libc = "0.2.73"
 log = "0.4.11"
 net_gen = { path = "../net_gen" }
 rand = "0.7.3"
diff --git a/pci/Cargo.toml b/pci/Cargo.toml
index 4dc3cc84f..8777295e9 100644
--- a/pci/Cargo.toml
+++ b/pci/Cargo.toml
@@ -11,7 +11,7 @@ devices = { path = "../devices" }
 hypervisor = { path = "../hypervisor" }
 vfio-ioctls = { git = "https://github.com/cloud-hypervisor/vfio-ioctls", branch = "ch" }
 vmm-sys-util = ">=0.3.1"
-libc = "0.2.72"
+libc = "0.2.73"
 log = "0.4.11"
 serde = {version = ">=1.0.27", features = ["rc"] }
 serde_derive = ">=1.0.27"
diff --git a/qcow/Cargo.toml b/qcow/Cargo.toml
index bffdbd3e3..101cd0a7b 100644
--- a/qcow/Cargo.toml
+++ b/qcow/Cargo.toml
@@ -10,7 +10,7 @@ path = "src/qcow.rs"
 
 [dependencies]
 byteorder = "1.3.4"
-libc = "0.2.72"
+libc = "0.2.73"
 log = "0.4.11"
 remain = "0.2.2"
 vmm-sys-util = ">=0.3.1"
diff --git a/vhost_user_backend/Cargo.toml b/vhost_user_backend/Cargo.toml
index 9410e8554..4d88a749e 100644
--- a/vhost_user_backend/Cargo.toml
+++ b/vhost_user_backend/Cargo.toml
@@ -9,7 +9,7 @@ default = []
 
 [dependencies]
 epoll = ">=4.0.1"
-libc = "0.2.72"
+libc = "0.2.73"
 log = "0.4.11"
 virtio-bindings = "0.1.0"
 vm-memory = "0.2.1"
diff --git a/vhost_user_block/Cargo.toml b/vhost_user_block/Cargo.toml
index ebe1d606c..03ab8e8a1 100644
--- a/vhost_user_block/Cargo.toml
+++ b/vhost_user_block/Cargo.toml
@@ -8,7 +8,7 @@ edition = "2018"
 block_util = { path = "../block_util" }
 clap = { version = "2.33.1", features=["wrap_help"] }
 epoll = ">=4.0.1"
-libc = "0.2.72"
+libc = "0.2.73"
 log = "0.4.11"
 option_parser = { path = "../option_parser" }
 qcow = { path = "../qcow" }
diff --git a/vhost_user_fs/Cargo.toml b/vhost_user_fs/Cargo.toml
index a5a2d8471..0854e1492 100644
--- a/vhost_user_fs/Cargo.toml
+++ b/vhost_user_fs/Cargo.toml
@@ -9,7 +9,7 @@ bitflags = "1.1.0"
 clap = { version = "2.33.1", features=["wrap_help"] }
 epoll = ">=4.0.1"
 futures = { version = "0.3.5", features = ["thread-pool"] }
-libc = "0.2.72"
+libc = "0.2.73"
 log = "0.4.11"
 # Match the version in vmm
 seccomp = { git = "https://github.com/firecracker-microvm/firecracker", tag = "v0.21.1" }
diff --git a/vhost_user_net/Cargo.toml b/vhost_user_net/Cargo.toml
index e8026cde9..9cd57c5a6 100644
--- a/vhost_user_net/Cargo.toml
+++ b/vhost_user_net/Cargo.toml
@@ -7,7 +7,7 @@ edition = "2018"
 [dependencies]
 clap = { version = "2.33.1", features=["wrap_help"] }
 epoll = ">=4.0.1"
-libc = "0.2.72"
+libc = "0.2.73"
 log = "0.4.11"
 net_util = { path = "../net_util" }
 option_parser = { path = "../option_parser" }
diff --git a/virtio-devices/Cargo.toml b/virtio-devices/Cargo.toml
index d9392f1ae..0378de551 100644
--- a/virtio-devices/Cargo.toml
+++ b/virtio-devices/Cargo.toml
@@ -16,7 +16,7 @@ block_util = { path = "../block_util" }
 byteorder = "1.3.4"
 devices = { path = "../devices" }
 epoll = ">=4.0.1"
-libc = "0.2.72"
+libc = "0.2.73"
 log = "0.4.11"
 net_gen = { path = "../net_gen" }
 net_util = { path = "../net_util" }
diff --git a/vm-allocator/Cargo.toml b/vm-allocator/Cargo.toml
index 513e7c644..d8ead2520 100644
--- a/vm-allocator/Cargo.toml
+++ b/vm-allocator/Cargo.toml
@@ -5,6 +5,6 @@ authors = ["The Chromium OS Authors"]
 edition = "2018"
 
 [dependencies]
-libc = "0.2.72"
+libc = "0.2.73"
 vm-memory = "0.2.1"
 arch = { path = "../arch" }
diff --git a/vmm/Cargo.toml b/vmm/Cargo.toml
index fc743d37c..27285c307 100644
--- a/vmm/Cargo.toml
+++ b/vmm/Cargo.toml
@@ -23,7 +23,7 @@ devices = { path = "../devices" }
 epoll = ">=4.0.1"
 hypervisor = { path = "../hypervisor" }
 lazy_static = "1.4.0"
-libc = "0.2.72"
+libc = "0.2.73"
 log = "0.4.11"
 micro_http = { git = "https://github.com/firecracker-microvm/micro-http", branch = "master" }
 net_util = { path = "../net_util" }