diff --git a/Cargo.lock b/Cargo.lock
index 02ec671c9..e4d6f0db7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -68,7 +68,7 @@ dependencies = [
  "libc",
  "linux-loader",
  "log 0.4.11",
- "rand 0.8.0",
+ "rand 0.8.1",
  "serde",
  "serde_derive",
  "serde_json",
@@ -664,7 +664,7 @@ dependencies = [
  "log 0.4.11",
  "net_gen",
  "pnet",
- "rand 0.8.0",
+ "rand 0.8.1",
  "serde",
  "serde_json",
  "virtio-bindings",
@@ -905,9 +905,9 @@ dependencies = [
 
 [[package]]
 name = "rand"
-version = "0.8.0"
+version = "0.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a76330fb486679b4ace3670f117bbc9e16204005c4bde9c4bd372f45bed34f12"
+checksum = "c24fcd450d3fa2b592732565aa4f17a27a61c65ece4726353e000939b0edee34"
 dependencies = [
  "libc",
  "rand_chacha 0.3.0",
diff --git a/arch/Cargo.toml b/arch/Cargo.toml
index 2057835d8..e27a4938b 100644
--- a/arch/Cargo.toml
+++ b/arch/Cargo.toml
@@ -26,4 +26,4 @@ git = "https://github.com/rust-vmm/linux-loader"
 features = ["elf", "bzimage"]
 
 [dev-dependencies]
-rand = "0.8.0"
+rand = "0.8.1"
diff --git a/net_util/Cargo.toml b/net_util/Cargo.toml
index c1e9a9637..48ec94cab 100644
--- a/net_util/Cargo.toml
+++ b/net_util/Cargo.toml
@@ -8,7 +8,7 @@ epoll = ">=4.0.1"
 libc = "0.2.81"
 log = "0.4.11"
 net_gen = { path = "../net_gen" }
-rand = "0.8.0"
+rand = "0.8.1"
 serde = "1.0.118"
 virtio-bindings = "0.1.0"
 vm-memory = { version = "0.4.0", features = ["backend-mmap", "backend-atomic"] }