vhost-user: prepare v0.21.0 release

Signed-off-by: Egor Lazarchuk <[email protected]>
diff --git a/vhost-user-backend/CHANGELOG.md b/vhost-user-backend/CHANGELOG.md
index 4c3e5fc..d1ede25 100644
--- a/vhost-user-backend/CHANGELOG.md
+++ b/vhost-user-backend/CHANGELOG.md
@@ -4,12 +4,16 @@
 
 ### Added
 ### Changed
-- [[#308](https://github.com/rust-vmm/vhost/pull/308)] Replace Eventfd with EventNotifier/EventConsumer.
-- [[#321](https://github.com/rust-vmm/vhost/pull/321)] Don't take ownership of listener in `VhostUserDaemon::start`.
-
 ### Deprecated
 ### Fixed
 
+## v0.21.0
+
+### Changed
+- [[#308]](https://github.com/rust-vmm/vhost/pull/308) Replace Eventfd with EventNotifier/EventConsumer.
+- [[#321]](https://github.com/rust-vmm/vhost/pull/321) Don't take ownership of listener in `VhostUserDaemon::start`.
+- [[#333]](https://github.com/rust-vmm/vhost/pull/333) Updated virtio-queue to 0.17.0, vm-memory to 0.17.1, vmm-sys-util to 0.15.0 and vhost to 0.15.0
+
 ## v0.20.0
 
 ### Changed
diff --git a/vhost-user-backend/Cargo.toml b/vhost-user-backend/Cargo.toml
index 7091eba..668fbb6 100644
--- a/vhost-user-backend/Cargo.toml
+++ b/vhost-user-backend/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "vhost-user-backend"
-version = "0.20.0"
+version = "0.21.0"
 authors = ["The Cloud Hypervisor Authors"]
 keywords = ["vhost-user", "virtio"]
 description = "A framework to build vhost-user backend service daemon"
@@ -20,7 +20,7 @@
 libc = "0.2.39"
 log = "0.4.17"
 userfaultfd = { version = "0.9.0", optional = true }
-vhost = { path = "../vhost", version = "0.14.0", features = ["vhost-user-backend"] }
+vhost = { path = "../vhost", version = "0.15.0", features = ["vhost-user-backend"] }
 virtio-bindings = { workspace = true }
 virtio-queue = { workspace = true }
 vm-memory = { workspace = true, features = ["backend-mmap", "backend-atomic", "backend-bitmap"] }
@@ -29,7 +29,7 @@
 [dev-dependencies]
 nix = { version = "0.30", features = ["fs"] }
 uuid = { version = "1.8.0", features=["v4"] }
-vhost = { path = "../vhost", version = "0.14.0", features = ["test-utils", "vhost-user-frontend", "vhost-user-backend"] }
+vhost = { path = "../vhost", version = "0.15.0", features = ["test-utils", "vhost-user-frontend", "vhost-user-backend"] }
 vm-memory = { workspace = true, features = ["backend-mmap", "backend-atomic"] }
 tempfile = "3.2.0"