diff --git a/.github/workflows/upload-release-assets.yml b/.github/workflows/upload-release-assets.yml
new file mode 100644
index 0000000..b3b5984
--- /dev/null
+++ b/.github/workflows/upload-release-assets.yml
@@ -0,0 +1,28 @@
+name: Upload standalone file to GitHub Releases
+on:
+  release:
+    types: [created]
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      id-token: write
+    steps:
+      - uses: actions/checkout@1e31de5234b9f8995739874a8ce0492dc87873e2 # v4
+      - uses: actions/setup-node@8f152de45cc393bb48ce5d89d36b731f54556e65 # v4
+        with:
+          node-version: 20
+          registry-url: 'https://registry.npmjs.org'
+          cache: npm
+      - run: |
+          npm install -g npm
+          npm ci
+          npm run build
+          cd build
+          npm ci
+          npm run build
+          gh release upload ${{ github.event.release.tag_name }} noble-ciphers.js
+        env:
+          GH_TOKEN: ${{ github.token }}
+
diff --git a/build/package-lock.json b/build/package-lock.json
index 55af7a3..e2034db 100644
--- a/build/package-lock.json
+++ b/build/package-lock.json
@@ -15,7 +15,7 @@
     },
     "..": {
       "name": "@noble/ciphers",
-      "version": "0.4.1",
+      "version": "0.5.1",
       "dev": true,
       "license": "MIT",
       "devDependencies": {
diff --git a/package-lock.json b/package-lock.json
index 6a6b48b..8b89578 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@noble/ciphers",
-  "version": "0.4.1",
+  "version": "0.5.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@noble/ciphers",
-      "version": "0.4.1",
+      "version": "0.5.1",
       "license": "MIT",
       "devDependencies": {
         "@scure/base": "1.1.3",