diff --git a/Cargo.lock b/Cargo.lock
index 3a88d3b..874997c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,5 +1,7 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+version = 3
+
 [[package]]
 name = "arc-swap"
 version = "1.4.0"
@@ -254,13 +256,14 @@ checksum = "5fecdca9a5291cc2b8dcf7dc02453fee791a280f3743cb0905f8822ae463b3fe"
 
 [[package]]
 name = "vhost"
-version = "0.1.0"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8a6b90237e10f1a61b35fba73885c3567e1a5a8c40d44daae335f7710210a7dc"
+checksum = "2d23ddeb452fb4f837526c6298cc8a2f4948e5595b0328a3d61b5eebe51874d7"
 dependencies = [
  "bitflags",
  "libc",
- "vmm-sys-util",
+ "vm-memory",
+ "vmm-sys-util 0.8.0",
 ]
 
 [[package]]
@@ -275,13 +278,13 @@ dependencies = [
  "vhost-user-backend",
  "virtio-bindings",
  "vm-memory",
- "vmm-sys-util",
+ "vmm-sys-util 0.9.0",
 ]
 
 [[package]]
 name = "vhost-user-backend"
 version = "0.1.0"
-source = "git+https://github.com/rust-vmm/vhost-user-backend?rev=70f668a699d865f13ba40498897ad181a409bd41#70f668a699d865f13ba40498897ad181a409bd41"
+source = "git+https://github.com/rust-vmm/vhost-user-backend?rev=bd6b53348f06055abcb2b7254168d716b742f383#bd6b53348f06055abcb2b7254168d716b742f383"
 dependencies = [
  "epoll",
  "libc",
@@ -290,7 +293,7 @@ dependencies = [
  "virtio-bindings",
  "virtio-queue",
  "vm-memory",
- "vmm-sys-util",
+ "vmm-sys-util 0.9.0",
 ]
 
 [[package]]
@@ -306,7 +309,7 @@ source = "git+https://github.com/rust-vmm/vm-virtio?rev=6013dd9#6013dd91b2e6eb77
 dependencies = [
  "log",
  "vm-memory",
- "vmm-sys-util",
+ "vmm-sys-util 0.8.0",
 ]
 
 [[package]]
@@ -330,6 +333,16 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "vmm-sys-util"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "733537bded03aaa93543f785ae997727b30d1d9f4a03b7861d23290474242e11"
+dependencies = [
+ "bitflags",
+ "libc",
+]
+
 [[package]]
 name = "winapi"
 version = "0.3.9"
diff --git a/src/i2c/Cargo.toml b/src/i2c/Cargo.toml
index 0d18cb6..914d53f 100644
--- a/src/i2c/Cargo.toml
+++ b/src/i2c/Cargo.toml
@@ -16,8 +16,8 @@ clap = { version = "=3.0.0-beta.2",  features = ["yaml"] }
 epoll = "4.3"
 libc = ">=0.2.95"
 log = ">=0.4.6"
-vhost = { version = "0.1", features = ["vhost-user-slave"] }
-vhost-user-backend = { git = "https://github.com/rust-vmm/vhost-user-backend", rev = "70f668a699d865f13ba40498897ad181a409bd41" }
+vhost = { version = "0.2", features = ["vhost-user-slave"] }
+vhost-user-backend = { git = "https://github.com/rust-vmm/vhost-user-backend", rev = "bd6b53348f06055abcb2b7254168d716b742f383" }
 virtio-bindings = ">=0.1"
 vm-memory = "0.6"
-vmm-sys-util = "=0.8.0"
+vmm-sys-util = "=0.9.0"