diff --git a/package-lock.json b/package-lock.json
index 5696bb0..3688874 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -15625,7 +15625,8 @@
     "webextension-polyfill": {
       "version": "0.6.0",
       "resolved": "https://registry.npmjs.org/webextension-polyfill/-/webextension-polyfill-0.6.0.tgz",
-      "integrity": "sha512-PlYwiX8e4bNZrEeBFxbFFsLtm0SMPxJliLTGdNCA0Bq2XkWrAn2ejUd+89vZm+8BnfFB1BclJyCz3iKsm2atNg=="
+      "integrity": "sha512-PlYwiX8e4bNZrEeBFxbFFsLtm0SMPxJliLTGdNCA0Bq2XkWrAn2ejUd+89vZm+8BnfFB1BclJyCz3iKsm2atNg==",
+      "dev": true
     },
     "webpack": {
       "version": "4.44.0",
diff --git a/package.json b/package.json
index c336aa0..41cd381 100644
--- a/package.json
+++ b/package.json
@@ -32,8 +32,7 @@
     "json-cyclic": "0.0.3",
     "vue": "^3.0.0-beta.1",
     "vuex": "^4.0.0-alpha.1",
-    "vuex-webextensions": "^1.3.0",
-    "webextension-polyfill": "^0.6.0"
+    "vuex-webextensions": "^1.3.0"
   },
   "devDependencies": {
     "@babel/core": "^7.10.5",
@@ -53,6 +52,7 @@
     "vue-cli-plugin-vue-next": "~0.1.4",
     "vue-loader": "^16.0.0",
     "web-ext-types": "^2.1.0",
+    "webextension-polyfill": "^0.6.0",
     "webpack": "^4.44.0",
     "webpack-chrome-extension-reloader": "^0.8.3",
     "webpack-cli": "^3.3.12",
diff --git a/src/manifest.json b/src/manifest.json
index a078c14..32d9b0f 100644
--- a/src/manifest.json
+++ b/src/manifest.json
@@ -19,8 +19,9 @@
 
   "content_scripts": [{
     "matches": ["*://*/*"],
-    "js": [      
-      "ext/uw.js" 
+    "js": [ 
+      "common/lib/browser-polyfill.js",
+      "ext/uw.js"
     ],
     "css": [
       "ext/uw-ui.css",
diff --git a/webpack.config.js b/webpack.config.js
index dfc7d6b..8cb6897 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -86,6 +86,9 @@ const config = {
       { from: 'res', to: 'res', ignore: ['css', 'css/**']},
       { from: 'ext', to: 'ext', ignore: ['conf/*', 'lib/**']},
 
+      // we need to get webextension-polyfill and put it in common/lib
+      { from: '../node_modules/webextension-polyfill/dist/browser-polyfill.js', to: 'common/lib/browser-polyfill.js'},
+
       // This is a hack to get bootstrap icons svg file in /res/icons
       { from: '../node_modules/bootstrap-icons/bootstrap-icons.svg', to: 'res/icons/bootstrap-icons.svg'},