diff --git a/Cargo.lock b/Cargo.lock
index ed11e1e..3d20679 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -70,16 +70,6 @@ dependencies = [
  "syn",
 ]
 
-[[package]]
-name = "epoll"
-version = "4.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "20df693c700404f7e19d4d6fae6b15215d2913c27955d2b9d6f2c0f537511cd0"
-dependencies = [
- "bitflags",
- "libc",
-]
-
 [[package]]
 name = "hashbrown"
 version = "0.11.2"
@@ -122,9 +112,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.105"
+version = "0.2.107"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "869d572136620d55835903746bcb5cdc54cb2851fd0aeec53220b4bb65ef3013"
+checksum = "fbe5e23404da5b4f555ef85ebed98fb4083e55a00c317800bc2a50ede9f3d219"
 
 [[package]]
 name = "linked-hash-map"
@@ -173,9 +163,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.30"
+version = "1.0.32"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "edc3358ebc67bc8b7fa0c007f945b0b18226f78437d61bec735a9eb96b61ee70"
+checksum = "ba508cc11742c0dc5c1659771673afbab7a0efab23aa17e854cbab0837ed0b43"
 dependencies = [
  "unicode-xid",
 ]
@@ -197,9 +187,9 @@ checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
 
 [[package]]
 name = "syn"
-version = "1.0.80"
+version = "1.0.81"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d010a1623fbd906d51d650a9916aaefc05ffa0e4053ff7fe601167f3e715d194"
+checksum = "f2afee18b8beb5a596ecb4a2dce128c719b4ba399d34126b9e4396e3f9860966"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -291,7 +281,6 @@ name = "vhost-device-i2c"
 version = "0.1.0"
 dependencies = [
  "clap",
- "epoll",
  "libc",
  "log",
  "thiserror",
@@ -305,15 +294,14 @@ dependencies = [
 [[package]]
 name = "vhost-user-backend"
 version = "0.1.0"
-source = "git+https://github.com/rust-vmm/vhost-user-backend?rev=bd6b53348f06055abcb2b7254168d716b742f383#bd6b53348f06055abcb2b7254168d716b742f383"
+source = "git+https://github.com/rust-vmm/vhost-user-backend?rev=4047c697470cc6c37e8e1835025b091d2b59c2f7#4047c697470cc6c37e8e1835025b091d2b59c2f7"
 dependencies = [
- "epoll",
  "libc",
  "log",
  "vhost",
  "virtio-bindings",
  "virtio-queue",
- "vm-memory 0.6.0",
+ "vm-memory 0.7.0",
  "vmm-sys-util",
 ]
 
@@ -326,10 +314,10 @@ checksum = "3ff512178285488516ed85f15b5d0113a7cdb89e9e8a760b269ae4f02b84bd6b"
 [[package]]
 name = "virtio-queue"
 version = "0.1.0"
-source = "git+https://github.com/rust-vmm/vm-virtio?rev=6013dd9#6013dd91b2e6eb77ea10c6bdeda8f5eb18de6dda"
+source = "git+https://github.com/rust-vmm/vm-virtio?rev=66cda80#66cda803e406217945c1f93e6a4fb3b7c2a6983b"
 dependencies = [
  "log",
- "vm-memory 0.6.0",
+ "vm-memory 0.7.0",
  "vmm-sys-util",
 ]
 
@@ -339,7 +327,6 @@ version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0a8ebcb86ca457f9d6e14cf97009f679952eba42f0113de5db596e514cd0e43b"
 dependencies = [
- "arc-swap",
  "libc",
  "winapi",
 ]
@@ -350,6 +337,7 @@ version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "339d4349c126fdcd87e034631d7274370cf19eb0e87b33166bcd956589fc72c5"
 dependencies = [
+ "arc-swap",
  "libc",
  "winapi",
 ]
diff --git a/src/i2c/Cargo.toml b/src/i2c/Cargo.toml
index 8cc508f..2738dda 100644
--- a/src/i2c/Cargo.toml
+++ b/src/i2c/Cargo.toml
@@ -13,12 +13,11 @@ edition = "2018"
 
 [dependencies]
 clap = { version = "=3.0.0-beta.2",  features = ["yaml"] }
-epoll = "4.3"
 libc = ">=0.2.95"
 log = ">=0.4.6"
 thiserror = "1.0"
 vhost = { version = "0.2", features = ["vhost-user-slave"] }
-vhost-user-backend = { git = "https://github.com/rust-vmm/vhost-user-backend", rev = "bd6b53348f06055abcb2b7254168d716b742f383" }
+vhost-user-backend = { git = "https://github.com/rust-vmm/vhost-user-backend", rev = "4047c697470cc6c37e8e1835025b091d2b59c2f7" }
 virtio-bindings = ">=0.1"
 vm-memory = "0.7"
 vmm-sys-util = "=0.9.0"
diff --git a/src/i2c/src/vhu_i2c.rs b/src/i2c/src/vhu_i2c.rs
index 5b0dc80..85f9140 100644
--- a/src/i2c/src/vhu_i2c.rs
+++ b/src/i2c/src/vhu_i2c.rs
@@ -18,6 +18,7 @@ use virtio_bindings::bindings::virtio_ring::{
     VIRTIO_RING_F_EVENT_IDX, VIRTIO_RING_F_INDIRECT_DESC,
 };
 use vm_memory::{ByteValued, Bytes, GuestMemoryAtomic, GuestMemoryMmap, Le16, Le32};
+use vmm_sys_util::epoll::EventSet;
 use vmm_sys_util::eventfd::{EventFd, EFD_NONBLOCK};
 
 use crate::i2c::*;
@@ -255,11 +256,11 @@ impl<D: 'static + I2cDevice + Sync + Send> VhostUserBackendMut<VringRwLock, ()>
     fn handle_event(
         &mut self,
         device_event: u16,
-        evset: epoll::Events,
+        evset: EventSet,
         vrings: &[VringRwLock],
         _thread_id: usize,
     ) -> VhostUserBackendResult<bool> {
-        if evset != epoll::Events::EPOLLIN {
+        if evset != EventSet::IN {
             return Err(Error::HandleEventNotEpollIn.into());
         }