diff --git a/browser.js b/browser.js
index 199d224..dd2da82 100644
--- a/browser.js
+++ b/browser.js
@@ -1,9 +1,10 @@
 const { getTranslations, isBrowser } = require("./index.js");
-const { BRAND } = require("./utils/configs.js");
+const { BRAND, PREV_SCRIPT_VERSION } = require("./utils/configs.js");
 // const { checkPage } = require("./utils/translation/checkPage.js");
 
 if (isBrowser()) {
   window.translationScriptTag = document.currentScript;
+  window.translationScriptPrevVersion = PREV_SCRIPT_VERSION // called prev version because it will bumped after published to npm
 
   // REQUIRED ATTRIBUTES
   const DATA_API_KEY = `data-${BRAND}-key`
diff --git a/utils/configs.js b/utils/configs.js
index b843a4a..dbca4c1 100644
--- a/utils/configs.js
+++ b/utils/configs.js
@@ -12,6 +12,7 @@ const OLD_EXCLUDE_CLASS = "weploy-exclude";
 const DEFAULT_UNTRANSLATED_VALUE = "weploy-untranslated";
 const MERGE_PREFIX = "weploy-merge";
 const BRAND  = process.env.BRAND || "globalseo";
+const PREV_SCRIPT_VERSION = process.env.PREV_SCRIPT_VERSION || "0.0.0";
 
 /** Translation Options */
 var globalseoOptions;
@@ -136,5 +137,6 @@ module.exports = {
   OLD_EXCLUDE_CLASS,
   DEFAULT_UNTRANSLATED_VALUE,
   MERGE_PREFIX,
-  BRAND
+  BRAND,
+  PREV_SCRIPT_VERSION
 }
diff --git a/utils/translation/getTranslationsFromAPI.js b/utils/translation/getTranslationsFromAPI.js
index 363ee4f..fa9251b 100644
--- a/utils/translation/getTranslationsFromAPI.js
+++ b/utils/translation/getTranslationsFromAPI.js
@@ -19,9 +19,10 @@ async function getTranslationsFromAPI(strings, language, apiKey) {
     strings: strings,
     language: language,
     url: window.location.pathname,
+    scriptPrevVersion: window.translationScriptPrevVersion
   };
 
-  console.log("weploy payload:", finalPayload)
+  console.log("globalseo payload:", finalPayload)
 
   const stringifiedPayload = JSON.stringify(finalPayload);
 
diff --git a/webpack.config.js b/webpack.config.js
index b5b34fd..95fec65 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -4,6 +4,8 @@ const CssMinimizerPlugin = require('css-minimizer-webpack-plugin');
 const TerserPlugin = require('terser-webpack-plugin'); // Add this line
 const CircularDependencyPlugin = require('circular-dependency-plugin')
 const webpack = require('webpack');
+const packageJson = require('./package.json');
+const prevVersion = packageJson.version;
 
 module.exports = (env, argv) => {
     return {
@@ -74,6 +76,7 @@ module.exports = (env, argv) => {
                     BRAND: JSON.stringify('globalseo'),
                     CSS_PATH: JSON.stringify('../../globalseo.css'),
                     CSS_PATH_RAW: JSON.stringify('../../globalseo.css?raw'),
+                    PREV_SCRIPT_VERSION: JSON.stringify(prevVersion),
                 },
             }),
         ],
diff --git a/webpack.config.old.js b/webpack.config.old.js
index 5b5ea34..a6c6df3 100644
--- a/webpack.config.old.js
+++ b/webpack.config.old.js
@@ -4,6 +4,8 @@ const CssMinimizerPlugin = require('css-minimizer-webpack-plugin');
 const TerserPlugin = require('terser-webpack-plugin'); // Add this line
 const CircularDependencyPlugin = require('circular-dependency-plugin')
 const webpack = require('webpack');
+const packageJson = require('./package.json');
+const prevVersion = packageJson.version;
 
 module.exports = (env, argv) => {
     return {
@@ -74,6 +76,7 @@ module.exports = (env, argv) => {
                     BRAND: JSON.stringify('weploy'),
                     CSS_PATH: JSON.stringify('../../globalseo.css'),
                     CSS_PATH_RAW: JSON.stringify('../../globalseo.css?raw'),
+                    PREV_SCRIPT_VERSION: JSON.stringify(prevVersion),
                 },
             }),
         ],