diff --git a/build/input.js b/build/input.js
index 0916d05..d53b635 100644
--- a/build/input.js
+++ b/build/input.js
@@ -1,4 +1,4 @@
-import { bytesToHex, concatBytes, hexToBytes } from '@noble/curves/abstract/utils';
+import { bytesToHex, concatBytes, hexToBytes, utf8ToBytes } from '@noble/curves/abstract/utils';
 
 export { secp256k1, schnorr as secp256k1_schnorr } from '@noble/curves/secp256k1';
 export {
@@ -17,4 +17,4 @@ export { p384 } from '@noble/curves/p384';
 export { p521 } from '@noble/curves/p521';
 export { bls12_381 } from '@noble/curves/bls12-381';
 
-export const utils = { bytesToHex, concatBytes, hexToBytes };
+export const utils = { bytesToHex, concatBytes, hexToBytes, utf8ToBytes };
diff --git a/build/package.json b/build/package.json
index 6fda7c3..fa4caf8 100644
--- a/build/package.json
+++ b/build/package.json
@@ -9,8 +9,8 @@
   "author": "",
   "license": "MIT",
   "devDependencies": {
-    "@noble/curves": "..",
-    "esbuild": "0.18.11"
+    "@noble/curves": "file:..",
+    "esbuild": "0.20.1"
   },
   "scripts": {
     "build": "npx esbuild --bundle input.js --outfile=noble-curves.js --global-name=nobleCurves"
diff --git a/package.json b/package.json
index 7e14f71..ad07c3a 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
   "scripts": {
     "bench": "cd benchmark; node secp256k1.js; node curves.js; node ecdh.js; node hash-to-curve.js; node modular.js; node bls.js; node ristretto255.js; node decaf448.js",
     "build": "tsc && tsc -p tsconfig.esm.json",
-    "build:release": "cd build; npm install && npm run build",
+    "build:release": "cd build && npm i && npm run build",
     "build:clean": "rm *.{js,d.ts,d.ts.map,js.map} esm/*.{js,d.ts,d.ts.map,js.map} 2> /dev/null",
     "lint": "prettier --check 'src/**/*.{js,ts}' 'test/*.js'",
     "format": "prettier --write 'src/**/*.{js,ts}' 'test/*.js'",