diff --git a/.github/workflows/upload-release.yml b/.github/workflows/upload-release.yml
new file mode 100644
index 0000000..bc692d3
--- /dev/null
+++ b/.github/workflows/upload-release.yml
@@ -0,0 +1,24 @@
+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
+      - run: npm ci
+      - run: npm run build
+      - run: npm run build:release
+      - run: gh release upload ${{ github.event.release.tag_name }} test/build/noble-ed25519.min.js test/build/noble-ed25519.min.js.gz
+        env:
+          GH_TOKEN: ${{ github.token }}
diff --git a/package.json b/package.json
index ddc31a2..5557b44 100644
--- a/package.json
+++ b/package.json
@@ -14,12 +14,13 @@
   "sideEffects": false,
   "scripts": {
     "build": "tsc",
-    "build:release": "rollup -c rollup.config.js",
+    "build:min": "cd test/build; npm install; npm run terser",
+    "build:mingz": "npm run --silent build:min | gzip -c8",
+    "build:release": "npm run --silent build:min > test/build/noble-ed25519.min.js; npm run --silent build:mingz > test/build/noble-ed25519.min.js.gz",
     "test": "node test/index.test.js",
     "test:webcrypto": "node test/ed25519.webcrypto.test.js",
     "bench": "node test/benchmark/benchmark.js",
-    "min": "cd test/build; npm install; npm run terser",
-    "loc": "echo \"`npm run --silent min | wc -c` symbols `wc -l < index.ts` LOC, `npm run --silent min | gzip -c8 | wc -c`B gzipped\""
+    "loc": "echo \"`npm run --silent build:min | wc -c` symbols `wc -l < index.ts` LOC, `npm run --silent build:mingz | wc -c`B gzipped\""
   },
   "author": "Paul Miller (https://paulmillr.com)",
   "homepage": "https://paulmillr.com/noble/",