diff --git a/fuzz/Cargo.lock b/fuzz/Cargo.lock
index 37135ffd4..91efc486a 100644
--- a/fuzz/Cargo.lock
+++ b/fuzz/Cargo.lock
@@ -377,9 +377,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.122"
+version = "0.2.123"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ec647867e2bf0772e28c8bcde4f0d19a9216916e890543b5a03ed8ef27b8f259"
+checksum = "cb691a747a7ab48abc15c5b42066eaafde10dc427e3b6ee2a1cf43db04c763bd"
 
 [[package]]
 name = "libfuzzer-sys"
diff --git a/fuzz/Cargo.toml b/fuzz/Cargo.toml
index e7b352a7b..cef9fe55c 100644
--- a/fuzz/Cargo.toml
+++ b/fuzz/Cargo.toml
@@ -10,7 +10,7 @@ cargo-fuzz = true
 
 [dependencies]
 block_util = { path = "../block_util" }
-libc = "0.2.122"
+libc = "0.2.123"
 libfuzzer-sys = "0.4.3"
 qcow = { path = "../qcow" }
 seccompiler = "0.2.0"