diff --git a/fuzz/Cargo.lock b/fuzz/Cargo.lock
index 9458f6ecc..164672e7a 100644
--- a/fuzz/Cargo.lock
+++ b/fuzz/Cargo.lock
@@ -146,7 +146,7 @@ dependencies = [
 
 [[package]]
 name = "cloud-hypervisor"
-version = "18.0.0"
+version = "19.0.0"
 dependencies = [
  "anyhow",
  "api_client",
@@ -338,9 +338,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.103"
+version = "0.2.104"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dd8f7255a17a627354f321ef0055d63b898c6fb27eff628af4d1b66b7331edf6"
+checksum = "7b2f96d100e1cf1929e7719b7edb3b90ab5298072638fccd77be9ce942ecdfce"
 
 [[package]]
 name = "libfuzzer-sys"
diff --git a/fuzz/Cargo.toml b/fuzz/Cargo.toml
index 7a111a585..154da014d 100644
--- a/fuzz/Cargo.toml
+++ b/fuzz/Cargo.toml
@@ -10,7 +10,7 @@ cargo-fuzz = true
 
 [dependencies]
 block_util = { path = "../block_util" }
-libc = "0.2.103"
+libc = "0.2.104"
 libfuzzer-sys = "0.4.2"
 qcow = { path = "../qcow" }
 seccompiler = "0.2.0"