diff --git a/Cargo.lock b/Cargo.lock
index feaa49f..1b59871 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2006,6 +2006,18 @@ dependencies = [
  "vmm-sys-util",
 ]
 
+[[package]]
+name = "vhost"
+version = "0.15.0"
+source = "git+https://github.com/mtjhrc/vhost.git?branch=shmem#c686ebb25a0af340a7969f637ba0d1b1e160fe6c"
+dependencies = [
+ "bitflags 2.10.0",
+ "libc 0.2.177",
+ "uuid",
+ "vm-memory",
+ "vmm-sys-util",
+]
+
 [[package]]
 name = "vhost-device-can"
 version = "0.1.0"
@@ -2017,8 +2029,8 @@ dependencies = [
  "queues",
  "socketcan",
  "thiserror 2.0.17",
- "vhost",
- "vhost-user-backend",
+ "vhost 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "vhost-user-backend 0.21.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "virtio-bindings",
  "virtio-queue",
  "vm-memory",
@@ -2038,8 +2050,8 @@ dependencies = [
  "log",
  "queues",
  "thiserror 2.0.17",
- "vhost",
- "vhost-user-backend",
+ "vhost 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "vhost-user-backend 0.21.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "virtio-bindings",
  "virtio-queue",
  "vm-memory",
@@ -2057,8 +2069,8 @@ dependencies = [
  "libgpiod",
  "log",
  "thiserror 2.0.17",
- "vhost",
- "vhost-user-backend",
+ "vhost 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "vhost-user-backend 0.21.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "virtio-bindings",
  "virtio-queue",
  "vm-memory",
@@ -2080,8 +2092,8 @@ dependencies = [
  "rutabaga_gfx",
  "tempfile",
  "thiserror 2.0.17",
- "vhost",
- "vhost-user-backend",
+ "vhost 0.15.0 (git+https://github.com/mtjhrc/vhost.git?branch=shmem)",
+ "vhost-user-backend 0.21.0 (git+https://github.com/mtjhrc/vhost.git?branch=shmem)",
  "virglrenderer",
  "virtio-bindings",
  "virtio-queue",
@@ -2099,8 +2111,8 @@ dependencies = [
  "libc 0.2.177",
  "log",
  "thiserror 2.0.17",
- "vhost",
- "vhost-user-backend",
+ "vhost 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "vhost-user-backend 0.21.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "virtio-bindings",
  "virtio-queue",
  "vm-memory",
@@ -2122,8 +2134,8 @@ dependencies = [
  "rand",
  "tempfile",
  "thiserror 2.0.17",
- "vhost",
- "vhost-user-backend",
+ "vhost 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "vhost-user-backend 0.21.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "virtio-bindings",
  "virtio-queue",
  "vm-memory",
@@ -2143,8 +2155,8 @@ dependencies = [
  "rand",
  "tempfile",
  "thiserror 2.0.17",
- "vhost",
- "vhost-user-backend",
+ "vhost 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "vhost-user-backend 0.21.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "virtio-bindings",
  "virtio-queue",
  "vm-memory",
@@ -2161,8 +2173,8 @@ dependencies = [
  "itertools 0.14.0",
  "log",
  "thiserror 2.0.17",
- "vhost",
- "vhost-user-backend",
+ "vhost 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "vhost-user-backend 0.21.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "virtio-bindings",
  "virtio-queue",
  "vm-memory",
@@ -2180,8 +2192,8 @@ dependencies = [
  "log",
  "tempfile",
  "thiserror 2.0.17",
- "vhost",
- "vhost-user-backend",
+ "vhost 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "vhost-user-backend 0.21.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "virtio-bindings",
  "virtio-queue",
  "vm-memory",
@@ -2205,8 +2217,8 @@ dependencies = [
  "rusty-fork",
  "tempfile",
  "thiserror 2.0.17",
- "vhost",
- "vhost-user-backend",
+ "vhost 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "vhost-user-backend 0.21.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "virtio-bindings",
  "virtio-queue",
  "vm-memory",
@@ -2224,8 +2236,8 @@ dependencies = [
  "libc 0.2.177",
  "log",
  "thiserror 2.0.17",
- "vhost",
- "vhost-user-backend",
+ "vhost 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "vhost-user-backend 0.21.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "virtio-bindings",
  "virtio-queue",
  "vm-memory",
@@ -2242,8 +2254,8 @@ dependencies = [
  "libc 0.2.177",
  "log",
  "thiserror 2.0.17",
- "vhost",
- "vhost-user-backend",
+ "vhost 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "vhost-user-backend 0.21.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "virtio-bindings",
  "virtio-queue",
  "vm-memory",
@@ -2265,8 +2277,8 @@ dependencies = [
  "serde",
  "tempfile",
  "thiserror 2.0.17",
- "vhost",
- "vhost-user-backend",
+ "vhost 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "vhost-user-backend 0.21.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "virtio-bindings",
  "virtio-queue",
  "virtio-vsock",
@@ -2283,7 +2295,21 @@ checksum = "783587813a59c42c36519a6e12bb31eb2d7fa517377428252ba4cc2312584243"
 dependencies = [
  "libc 0.2.177",
  "log",
- "vhost",
+ "vhost 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "virtio-bindings",
+ "virtio-queue",
+ "vm-memory",
+ "vmm-sys-util",
+]
+
+[[package]]
+name = "vhost-user-backend"
+version = "0.21.0"
+source = "git+https://github.com/mtjhrc/vhost.git?branch=shmem#c686ebb25a0af340a7969f637ba0d1b1e160fe6c"
+dependencies = [
+ "libc 0.2.177",
+ "log",
+ "vhost 0.15.0 (git+https://github.com/mtjhrc/vhost.git?branch=shmem)",
  "virtio-bindings",
  "virtio-queue",
  "vm-memory",
diff --git a/vhost-device-gpu/Cargo.toml b/vhost-device-gpu/Cargo.toml
index c4707e0..836f42f 100644
--- a/vhost-device-gpu/Cargo.toml
+++ b/vhost-device-gpu/Cargo.toml
@@ -29,8 +29,8 @@ log = "0.4"
 rutabaga_gfx = "0.1.75"
 thiserror = "2.0.18"
 virglrenderer = { git = "https://gitlab.freedesktop.org/mtjhrc/virglrenderer-rs.git", branch = "map_info", optional = true }
-vhost = { version = "0.15.0", features = ["vhost-user-backend"] }
-vhost-user-backend = "0.21"
+vhost = { git = "https://github.com/mtjhrc/vhost.git", branch = "shmem", features = ["vhost-user-backend"] }
+vhost-user-backend = { git = "https://github.com/mtjhrc/vhost.git", branch = "shmem" }
 virtio-bindings = "0.2.5"
 virtio-queue = "0.17.0"
 vm-memory = "0.17.1"