diff --git a/fuzz/Cargo.lock b/fuzz/Cargo.lock
index 1a176e6c0..8f1ca7469 100644
--- a/fuzz/Cargo.lock
+++ b/fuzz/Cargo.lock
@@ -538,9 +538,9 @@ dependencies = [
 
 [[package]]
 name = "quote"
-version = "1.0.16"
+version = "1.0.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4af2ec4714533fcdf07e886f17025ace8b997b9ce51204ee69b6da831c3da57"
+checksum = "632d02bff7f874a36f33ea8bb416cd484b90cc66c1194b1a1110d067a7013f58"
 dependencies = [
  "proc-macro2",
 ]
@@ -812,9 +812,9 @@ dependencies = [
 
 [[package]]
 name = "vhost"
-version = "0.3.0"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3b56bf8f178fc500fe14505fca8b00dec76fc38f2304f461c8d9d7547982311d"
+checksum = "53567fd9ab820e4f3cc156f24146882fee3c365194c3e1dea74723265f27fc88"
 dependencies = [
  "bitflags",
  "libc",