diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 2fd1b87dc..354ac8aad 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -135,6 +135,9 @@ jobs:
       - name: Verify packaged node-pty Linux runtime
         run: bash scripts/ensure-node-pty-linux.sh verify x64
 
+      - name: Verify packaged deb artifact
+        run: bash scripts/verify-linux-deb-artifact.sh amd64
+
       - name: Upload artifacts
         uses: actions/upload-artifact@v4
         with:
@@ -201,6 +204,9 @@ jobs:
       - name: Verify packaged node-pty Linux runtime
         run: bash scripts/ensure-node-pty-linux.sh verify arm64
 
+      - name: Verify packaged deb artifact
+        run: bash scripts/verify-linux-deb-artifact.sh arm64
+
       - name: Upload artifacts
         uses: actions/upload-artifact@v4
         with:
diff --git a/scripts/verify-linux-deb-artifact.sh b/scripts/verify-linux-deb-artifact.sh
new file mode 100755
index 000000000..6d65e7240
--- /dev/null
+++ b/scripts/verify-linux-deb-artifact.sh
@@ -0,0 +1,154 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+TEMP_DIR=""
+
+usage() {
+  echo "Usage: $0 <amd64|arm64>" >&2
+  exit 1
+}
+
+checksum() {
+  if command -v sha256sum >/dev/null 2>&1; then
+    sha256sum "$@"
+  else
+    shasum -a 256 "$@"
+  fi
+}
+
+require_cmd() {
+  local cmd="$1"
+  command -v "${cmd}" >/dev/null 2>&1 || {
+    echo "[deb-verify] missing required command: ${cmd}" >&2
+    exit 1
+  }
+}
+
+assert_exists() {
+  local file="$1"
+  if [[ ! -e "${file}" ]]; then
+    echo "[deb-verify] expected file does not exist: ${file}" >&2
+    exit 1
+  fi
+}
+
+assert_executable() {
+  local file="$1"
+  if [[ ! -x "${file}" ]]; then
+    echo "[deb-verify] expected executable file is missing or not executable: ${file}" >&2
+    exit 1
+  fi
+}
+
+log_file_info() {
+  local file="$1"
+  echo "[deb-verify] file: ${file}"
+  ls -lh "${file}"
+  file "${file}"
+  checksum "${file}"
+}
+
+assert_file_arch() {
+  local file="$1"
+  local expected="$2"
+  local info
+
+  info="$(file "${file}")"
+  echo "[deb-verify] arch-check: ${info}"
+  if [[ "${info}" != *"${expected}"* ]]; then
+    echo "[deb-verify] unexpected architecture for ${file}" >&2
+    echo "[deb-verify] expected substring: ${expected}" >&2
+    exit 1
+  fi
+}
+
+assert_loadable_native_module() {
+  local electron_bin="$1"
+  local native_module="$2"
+
+  echo "[deb-verify] loading native module with packaged Electron runtime: ${native_module}"
+  ELECTRON_RUN_AS_NODE=1 "${electron_bin}" -e '
+    const path = require("node:path");
+    require(path.resolve(process.argv[1]));
+    console.log("[deb-verify] native module loaded successfully");
+  ' "${native_module}"
+}
+
+main() {
+  if [[ $# -ne 1 ]]; then
+    usage
+  fi
+
+  local deb_arch="$1"
+  local prebuild_arch
+  local expected_machine
+  local deb_file
+  local control_arch
+  local electron_bin
+  local main_binary
+  local build_release_pty
+  local prebuild_pty
+
+  require_cmd dpkg-deb
+  require_cmd file
+
+  case "${deb_arch}" in
+    amd64)
+      prebuild_arch="x64"
+      expected_machine="x86-64"
+      ;;
+    arm64)
+      prebuild_arch="arm64"
+      expected_machine="ARM aarch64"
+      ;;
+    *)
+      usage
+      ;;
+  esac
+
+  deb_file="$(find release -maxdepth 1 -type f -name "*-linux-${deb_arch}.deb" -print | sort | head -n 1)"
+  if [[ -z "${deb_file}" ]]; then
+    echo "[deb-verify] no deb artifact found for ${deb_arch} under release/" >&2
+    exit 1
+  fi
+
+  echo "[deb-verify] verifying deb artifact: ${deb_file}"
+  log_file_info "${deb_file}"
+
+  control_arch="$(dpkg-deb -f "${deb_file}" Architecture)"
+  echo "[deb-verify] control architecture: ${control_arch}"
+  if [[ "${control_arch}" != "${deb_arch}" ]]; then
+    echo "[deb-verify] deb control architecture mismatch: expected ${deb_arch}, got ${control_arch}" >&2
+    exit 1
+  fi
+
+  TEMP_DIR="$(mktemp -d)"
+  trap 'rm -rf "${TEMP_DIR:-}"' EXIT
+  dpkg-deb -x "${deb_file}" "${TEMP_DIR}"
+
+  electron_bin="${TEMP_DIR}/opt/Netcatty/netcatty"
+  main_binary="${TEMP_DIR}/opt/Netcatty/netcatty"
+  build_release_pty="${TEMP_DIR}/opt/Netcatty/resources/app.asar.unpacked/node_modules/node-pty/build/Release/pty.node"
+  prebuild_pty="${TEMP_DIR}/opt/Netcatty/resources/app.asar.unpacked/node_modules/node-pty/prebuilds/linux-${prebuild_arch}/pty.node"
+
+  assert_executable "${electron_bin}"
+  assert_exists "${build_release_pty}"
+  assert_exists "${prebuild_pty}"
+
+  echo "[deb-verify] verifying packaged binary architectures"
+  log_file_info "${main_binary}"
+  log_file_info "${build_release_pty}"
+  log_file_info "${prebuild_pty}"
+
+  assert_file_arch "${main_binary}" "${expected_machine}"
+  assert_file_arch "${build_release_pty}" "${expected_machine}"
+  assert_file_arch "${prebuild_pty}" "${expected_machine}"
+
+  assert_loadable_native_module "${electron_bin}" "${build_release_pty}"
+  assert_loadable_native_module "${electron_bin}" "${prebuild_pty}"
+
+  echo "[deb-verify] deb artifact verification passed for ${deb_file}"
+}
+
+main "$@"