diff --git a/Cargo.lock b/Cargo.lock
index 1a99725df..82fbf6e25 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -589,9 +589,9 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.12.0"
+version = "1.12.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7709cef83f0c1f58f666e746a08b21e0085f7440fa6a29cc194d68aac97a4225"
+checksum = "ac8b1a9b2518dc799a2271eff1688707eb315f0d4697aa6b0871369ca4c4da55"
 
 [[package]]
 name = "openssl-src"
diff --git a/Cargo.toml b/Cargo.toml
index 3417b5c3c..286e9a142 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -45,7 +45,7 @@ versionize_derive = { git = "https://github.com/cloud-hypervisor/versionize_deri
 [dev-dependencies]
 dirs = "4.0.0"
 net_util = { path = "net_util" }
-once_cell = "1.12.0"
+once_cell = "1.12.1"
 serde_json = "1.0.82"
 test_infra = { path = "test_infra" }
 wait-timeout = "0.2.0"
diff --git a/net_util/Cargo.toml b/net_util/Cargo.toml
index f2afbed84..69eb678fd 100644
--- a/net_util/Cargo.toml
+++ b/net_util/Cargo.toml
@@ -21,7 +21,7 @@ vm-virtio = { path = "../vm-virtio" }
 vmm-sys-util = "0.9.0"
 
 [dev-dependencies]
-once_cell = "1.12.0"
+once_cell = "1.12.1"
 pnet = "0.31.0"
 pnet_datalink = "0.31.0"
 serde_json = "1.0.82"
diff --git a/test_infra/Cargo.toml b/test_infra/Cargo.toml
index 3b6729559..912354b6b 100644
--- a/test_infra/Cargo.toml
+++ b/test_infra/Cargo.toml
@@ -8,7 +8,7 @@ edition = "2021"
 dirs = "4.0.0"
 epoll = "4.3.1"
 libc = "0.2.126"
-once_cell = "1.12.0"
+once_cell = "1.12.1"
 ssh2 = { version = "0.9.1", features = ["vendored-openssl"]}
 vmm-sys-util = "0.9.0"
 wait-timeout = "0.2.0"
diff --git a/vmm/Cargo.toml b/vmm/Cargo.toml
index 29f9301d5..476f07234 100644
--- a/vmm/Cargo.toml
+++ b/vmm/Cargo.toml
@@ -34,7 +34,7 @@ linux-loader = { version = "0.4.0", features = ["elf", "bzimage", "pe"] }
 log = "0.4.17"
 micro_http = { git = "https://github.com/firecracker-microvm/micro-http", branch = "main" }
 net_util = { path = "../net_util" }
-once_cell = "1.12.0"
+once_cell = "1.12.1"
 option_parser = { path = "../option_parser" }
 pci = { path = "../pci" }
 qcow = { path = "../qcow" }