diff --git a/scripts/tag.js b/scripts/tag.js
index 01fc4d1..f2e1f28 100755
--- a/scripts/tag.js
+++ b/scripts/tag.js
@@ -12,18 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
-'use strict';
-
-const semver = require('semver');
+import semver from "semver";
 const targetVersion = process.argv[2];
-
 if (!semver.valid(targetVersion)) {
     console.error(`Error: the version "${targetVersion}" is invalid!`);
     process.exit(1);
 }
-
 const prerelease = semver.prerelease(targetVersion);
-const tag = prerelease ? 'unstable' : 'latest';
-
+const tag = prerelease ? "unstable" : "latest";
 console.log(`::set-output name=tag::--tag=${tag}`);
diff --git a/scripts/updateRuntimeDependencies.js b/scripts/updateRuntimeDependencies.js
index 4c63a7d..784be80 100644
--- a/scripts/updateRuntimeDependencies.js
+++ b/scripts/updateRuntimeDependencies.js
@@ -12,17 +12,13 @@
  * limitations under the License.
  */
 const { readFileSync, writeFileSync, existsSync, mkdirSync, rmSync } = require('fs');
-const tar = require('tar');
-const path = require('path');
 
-function ensureDirSync(path) {
-  !existsSync(path) && mkdirSync(path, { recursive: true });
+function ensureDirSync(dirPath) {
+  if (!existsSync(dirPath)) { mkdirSync(dirPath, { recursive: true }); }
 }
-
-function removeSync(path) {
-  rmSync(path, { recursive: true, force: true });
+function removeSync(dirPath) {
+  rmSync(dirPath, { recursive: true, force: true });
 }
-
 const HEADER = `/*
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -36,32 +32,18 @@ const HEADER = `/*
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 /* eslint-disable quotes */
 // file generated by ./scripts/updateRuntimeDependencies.js
 `;
-
-/**
- * Package the TypeScript declarations for dayjs, jsonpath and SmartLegalContract
- * These are needed at runtime to compile user TypeScript code and template logic to JS
- */
-const dayjs = readFileSync('./node_modules/dayjs/index.d.ts').toString(
-  'base64'
-);
-const jsonpath = readFileSync(
-  './node_modules/@types/jsonpath/index.d.ts'
-).toString('base64');
-const smartLegalContract = readFileSync(
-  './src/slc/SmartLegalContract.d.ts'
-).toString('base64');
-
+const dayjs = readFileSync('./node_modules/dayjs/index.d.ts').toString('base64');
+const jsonpath = readFileSync('./node_modules/@types/jsonpath/index.d.ts').toString('base64');
+const smartLegalContract = readFileSync('./src/slc/SmartLegalContract.d.ts').toString('base64');
 removeSync('./src/runtime/');
 ensureDirSync('./src/runtime/');
 writeFileSync(
   './src/runtime/declarations.ts',
   `
 ${HEADER}
-
 export const DAYJS_BASE64 = '${dayjs}';
 export const JSONPATH_BASE64 = '${jsonpath}';
 export const SMART_LEGAL_CONTRACT_BASE64 = '${smartLegalContract}';