diff --git a/packages/browseros/build/config/copy_resources.yaml b/packages/browseros/build/config/copy_resources.yaml
index d725d738c..1dd9928e9 100644
--- a/packages/browseros/build/config/copy_resources.yaml
+++ b/packages/browseros/build/config/copy_resources.yaml
@@ -123,3 +123,45 @@ copy_operations:
     type: "file"
     os: ["windows"]
     arch: ["x64"]
+
+  # Bun Runtime - Platform & Architecture specific
+  - name: "Bun Runtime - macOS ARM64"
+    source: "resources/binaries/bun/bun-darwin-arm64"
+    destination: "chrome/browser/browseros/server/resources/bin/bun"
+    type: "file"
+    os: ["macos"]
+    arch: ["arm64"]
+
+  - name: "Bun Runtime - macOS x64"
+    source: "resources/binaries/bun/bun-darwin-x64"
+    destination: "chrome/browser/browseros/server/resources/bin/bun"
+    type: "file"
+    os: ["macos"]
+    arch: ["x64"]
+
+  - name: "Bun Runtime - Linux ARM64"
+    source: "resources/binaries/bun/bun-linux-arm64"
+    destination: "chrome/browser/browseros/server/resources/bin/bun"
+    type: "file"
+    os: ["linux"]
+    arch: ["arm64"]
+
+  - name: "Bun Runtime - Linux x64"
+    source: "resources/binaries/bun/bun-linux-x64"
+    destination: "chrome/browser/browseros/server/resources/bin/bun"
+    type: "file"
+    os: ["linux"]
+    arch: ["x64"]
+
+  - name: "Bun Runtime - Windows x64"
+    source: "resources/binaries/bun/bun-windows-x64.exe"
+    destination: "chrome/browser/browseros/server/resources/bin/bun.exe"
+    type: "file"
+    os: ["windows"]
+    arch: ["x64"]
+
+  # BrowserOS Server Bundle (platform-independent)
+  - name: "BrowserOS Server Bundle"
+    source: "resources/binaries/browseros_server/index.js"
+    destination: "chrome/browser/browseros/server/resources/index.js"
+    type: "file"
diff --git a/packages/browseros/build/config/download_resources.yaml b/packages/browseros/build/config/download_resources.yaml
index d4f09a24b..a7aa1c3fb 100644
--- a/packages/browseros/build/config/download_resources.yaml
+++ b/packages/browseros/build/config/download_resources.yaml
@@ -62,3 +62,43 @@ download_operations:
     destination: "resources/binaries/browseros_server/browseros-server-windows-x64.exe"
     os: ["windows"]
     arch: ["x64"]
+
+  # Bun Runtime - Platform & Architecture specific
+  - name: "Bun Runtime - macOS ARM64"
+    r2_key: "binaries/bun/bun-darwin-arm64"
+    destination: "resources/binaries/bun/bun-darwin-arm64"
+    os: ["macos"]
+    arch: ["arm64"]
+    executable: true
+
+  - name: "Bun Runtime - macOS x64"
+    r2_key: "binaries/bun/bun-darwin-x64"
+    destination: "resources/binaries/bun/bun-darwin-x64"
+    os: ["macos"]
+    arch: ["x64"]
+    executable: true
+
+  - name: "Bun Runtime - Linux ARM64"
+    r2_key: "binaries/bun/bun-linux-arm64"
+    destination: "resources/binaries/bun/bun-linux-arm64"
+    os: ["linux"]
+    arch: ["arm64"]
+    executable: true
+
+  - name: "Bun Runtime - Linux x64"
+    r2_key: "binaries/bun/bun-linux-x64"
+    destination: "resources/binaries/bun/bun-linux-x64"
+    os: ["linux"]
+    arch: ["x64"]
+    executable: true
+
+  - name: "Bun Runtime - Windows x64"
+    r2_key: "binaries/bun/bun-windows-x64.exe"
+    destination: "resources/binaries/bun/bun-windows-x64.exe"
+    os: ["windows"]
+    arch: ["x64"]
+
+  # BrowserOS Server Bundle (platform-independent)
+  - name: "BrowserOS Server Bundle"
+    r2_key: "binaries/browseros-server/index.js"
+    destination: "resources/binaries/browseros_server/index.js"
diff --git a/packages/browseros/build/modules/sign/macos.py b/packages/browseros/build/modules/sign/macos.py
index 23ba2b189..ac815cb50 100644
--- a/packages/browseros/build/modules/sign/macos.py
+++ b/packages/browseros/build/modules/sign/macos.py
@@ -34,6 +34,11 @@ BROWSEROS_SERVER_BINARIES: Dict[str, Dict[str, str]] = {
         "options": "runtime",
         "entitlements": "browseros-executable-entitlements.plist",
     },
+    "bun": {
+        "identifier_suffix": "bun",
+        "options": "runtime",
+        "entitlements": "browseros-executable-entitlements.plist",
+    },
 }
 
 
diff --git a/packages/browseros/build/modules/sign/windows.py b/packages/browseros/build/modules/sign/windows.py
index ba9e58950..1263049eb 100644
--- a/packages/browseros/build/modules/sign/windows.py
+++ b/packages/browseros/build/modules/sign/windows.py
@@ -19,6 +19,7 @@ from ...common.utils import (
 BROWSEROS_SERVER_BINARIES: List[str] = [
     "browseros_server.exe",
     "codex.exe",
+    "bun.exe",
 ]