diff --git a/app/javascript/dashboard/components/app/UpdateBanner.vue b/app/javascript/dashboard/components/app/UpdateBanner.vue
index 2e4b00031..49a1f988a 100644
--- a/app/javascript/dashboard/components/app/UpdateBanner.vue
+++ b/app/javascript/dashboard/components/app/UpdateBanner.vue
@@ -12,33 +12,26 @@
 </template>
 <script>
 import Banner from 'dashboard/components/ui/Banner.vue';
-import LocalStorage from '../../helper/localStorage';
+import { LocalStorage, LOCAL_STORAGE_KEYS } from '../../helper/localStorage';
 import { mapGetters } from 'vuex';
 import adminMixin from 'dashboard/mixins/isAdmin';
-
-const semver = require('semver');
-const dismissedUpdates = new LocalStorage('dismissedUpdates');
+import { hasAnUpdateAvailable } from './versionCheckHelper';
 
 export default {
-  components: {
-    Banner,
-  },
+  components: { Banner },
   mixins: [adminMixin],
   props: {
-    latestChatwootVersion: {
-      type: String,
-      default: '',
-    },
+    latestChatwootVersion: { type: String, default: '' },
+  },
+  data() {
+    return { userDismissedBanner: false };
   },
   computed: {
     ...mapGetters({ globalConfig: 'globalConfig/get' }),
-    hasAnUpdateAvailable() {
-      if (!semver.valid(this.latestChatwootVersion)) {
-        return false;
-      }
-      return semver.lt(
-        this.globalConfig.appVersion,
-        this.latestChatwootVersion
+    updateAvailable() {
+      return hasAnUpdateAvailable(
+        this.latestChatwootVersion,
+        this.globalConfig.appVersion
       );
     },
     bannerMessage() {
@@ -48,8 +41,9 @@ export default {
     },
     shouldShowBanner() {
       return (
+        !this.userDismissedBanner &&
         this.globalConfig.displayManifest &&
-        this.hasAnUpdateAvailable &&
+        this.updateAvailable &&
         !this.isVersionNotificationDismissed(this.latestChatwootVersion) &&
         this.isAdmin
       );
@@ -57,17 +51,23 @@ export default {
   },
   methods: {
     isVersionNotificationDismissed(version) {
-      return dismissedUpdates.get().includes(version);
+      const dismissedVersions =
+        LocalStorage.get(LOCAL_STORAGE_KEYS.DISMISSED_UPDATES) || [];
+      return dismissedVersions.includes(version);
     },
     dismissUpdateBanner() {
-      let updatedDismissedItems = dismissedUpdates.get();
+      let updatedDismissedItems =
+        LocalStorage.get(LOCAL_STORAGE_KEYS.DISMISSED_UPDATES) || [];
       if (updatedDismissedItems instanceof Array) {
         updatedDismissedItems.push(this.latestChatwootVersion);
       } else {
         updatedDismissedItems = [this.latestChatwootVersion];
       }
-      dismissedUpdates.store(updatedDismissedItems);
-      this.latestChatwootVersion = this.globalConfig.appVersion;
+      LocalStorage.set(
+        LOCAL_STORAGE_KEYS.DISMISSED_UPDATES,
+        updatedDismissedItems
+      );
+      this.userDismissedBanner = true;
     },
   },
 };
diff --git a/app/javascript/dashboard/components/app/specs/versionCheckHelper.spec.js b/app/javascript/dashboard/components/app/specs/versionCheckHelper.spec.js
new file mode 100644
index 000000000..a0fdefc44
--- /dev/null
+++ b/app/javascript/dashboard/components/app/specs/versionCheckHelper.spec.js
@@ -0,0 +1,15 @@
+import { hasAnUpdateAvailable } from '../versionCheckHelper';
+
+describe('#hasAnUpdateAvailable', () => {
+  it('return false if latest version is invalid', () => {
+    expect(hasAnUpdateAvailable('invalid', '1.0.0')).toBe(false);
+    expect(hasAnUpdateAvailable(null, '1.0.0')).toBe(false);
+    expect(hasAnUpdateAvailable(undefined, '1.0.0')).toBe(false);
+    expect(hasAnUpdateAvailable('', '1.0.0')).toBe(false);
+  });
+
+  it('return correct value if latest version is valid', () => {
+    expect(hasAnUpdateAvailable('1.1.0', '1.0.0')).toBe(true);
+    expect(hasAnUpdateAvailable('0.1.0', '1.0.0')).toBe(false);
+  });
+});
diff --git a/app/javascript/dashboard/components/app/versionCheckHelper.js b/app/javascript/dashboard/components/app/versionCheckHelper.js
new file mode 100644
index 000000000..2a36be9cf
--- /dev/null
+++ b/app/javascript/dashboard/components/app/versionCheckHelper.js
@@ -0,0 +1,8 @@
+const semver = require('semver');
+
+export const hasAnUpdateAvailable = (latestVersion, currentVersion) => {
+  if (!semver.valid(latestVersion)) {
+    return false;
+  }
+  return semver.lt(currentVersion, latestVersion);
+};
diff --git a/app/javascript/dashboard/helper/localStorage.js b/app/javascript/dashboard/helper/localStorage.js
index cc963aa48..13bbf2e0d 100644
--- a/app/javascript/dashboard/helper/localStorage.js
+++ b/app/javascript/dashboard/helper/localStorage.js
@@ -1,17 +1,32 @@
-class LocalStorage {
-  constructor(key) {
-    this.key = key;
-  }
+export const LOCAL_STORAGE_KEYS = {
+  DISMISSED_UPDATES: 'dismissedUpdates',
+  WIDGET_BUILDER: 'widgetBubble_',
+};
 
-  store(allItems) {
-    localStorage.setItem(this.key, JSON.stringify(allItems));
-    localStorage.setItem(this.key + ':ts', Date.now());
-  }
+export const LocalStorage = {
+  clearAll() {
+    window.localStorage.clear();
+  },
 
-  get() {
-    let stored = localStorage.getItem(this.key);
-    return JSON.parse(stored) || [];
-  }
-}
+  get(key) {
+    const value = window.localStorage.getItem(key);
+    try {
+      return typeof value === 'string' ? JSON.parse(value) : value;
+    } catch (error) {
+      return value;
+    }
+  },
+  set(key, value) {
+    if (typeof value === 'object') {
+      window.localStorage.setItem(key, JSON.stringify(value));
+    } else {
+      window.localStorage.setItem(key, value);
+    }
+    window.localStorage.setItem(key + ':ts', Date.now());
+  },
 
-export default LocalStorage;
+  remove(key) {
+    window.localStorage.removeItem(key);
+    window.localStorage.removeItem(key + ':ts');
+  },
+};
diff --git a/app/javascript/dashboard/routes/dashboard/settings/inbox/WidgetBuilder.vue b/app/javascript/dashboard/routes/dashboard/settings/inbox/WidgetBuilder.vue
index 1ff0e3323..8da5183d7 100644
--- a/app/javascript/dashboard/routes/dashboard/settings/inbox/WidgetBuilder.vue
+++ b/app/javascript/dashboard/routes/dashboard/settings/inbox/WidgetBuilder.vue
@@ -158,7 +158,10 @@ import Widget from 'dashboard/modules/widget-preview/components/Widget';
 import InputRadioGroup from './components/InputRadioGroup';
 import alertMixin from 'shared/mixins/alertMixin';
 import { required } from 'vuelidate/lib/validators';
-import LocalStorage from 'dashboard/helper/localStorage';
+import {
+  LocalStorage,
+  LOCAL_STORAGE_KEYS,
+} from 'dashboard/helper/localStorage';
 
 export default {
   components: {
@@ -225,6 +228,9 @@ export default {
     ...mapGetters({
       uiFlags: 'inboxes/getUIFlags',
     }),
+    storageKey() {
+      return `${LOCAL_STORAGE_KEYS.WIDGET_BUILDER}${this.inbox.id}`;
+    },
     widgetScript() {
       let options = {
         position: this.widgetBubblePosition,
@@ -313,24 +319,25 @@ export default {
       this.replyTime = reply_time;
       this.avatarUrl = avatar_url;
 
-      // Widget Bubble Settings
-      const { key, storage } = this.getLocalStorageWithKey(this.inbox.id);
-      this.widgetBubblePositions = this.widgetBubblePositions.map(item => {
-        if (item.id === storage.get(key).position) {
-          item.checked = true;
-          this.widgetBubblePosition = item.id;
-        }
-        return item;
-      });
-      this.widgetBubbleTypes = this.widgetBubbleTypes.map(item => {
-        if (item.id === storage.get(key).type) {
-          item.checked = true;
-          this.widgetBubbleType = item.id;
-        }
-        return item;
-      });
-      this.widgetBubbleLauncherTitle =
-        storage.get(key).launcherTitle || 'Chat with us';
+      const savedInformation = this.getSavedInboxInformation();
+      if (savedInformation) {
+        this.widgetBubblePositions = this.widgetBubblePositions.map(item => {
+          if (item.id === savedInformation.position) {
+            item.checked = true;
+            this.widgetBubblePosition = item.id;
+          }
+          return item;
+        });
+        this.widgetBubbleTypes = this.widgetBubbleTypes.map(item => {
+          if (item.id === savedInformation.type) {
+            item.checked = true;
+            this.widgetBubbleType = item.id;
+          }
+          return item;
+        });
+        this.widgetBubbleLauncherTitle =
+          savedInformation.launcherTitle || 'Chat with us';
+      }
     },
     handleWidgetBubblePositionChange(item) {
       this.widgetBubblePosition = item.id;
@@ -372,7 +379,7 @@ export default {
         type: this.widgetBubbleType,
       };
 
-      this.getLocalStorageWithKey(this.inbox.id).storage.store(bubbleSettings);
+      LocalStorage.set(this.storageKey, bubbleSettings);
 
       try {
         const payload = {
@@ -403,12 +410,8 @@ export default {
         );
       }
     },
-    getLocalStorageWithKey(id) {
-      const storageKey = `widgetBubble_${id}`;
-      return {
-        key: storageKey,
-        storage: new LocalStorage(storageKey),
-      };
+    getSavedInboxInformation() {
+      return LocalStorage.get(this.storageKey);
     },
   },
 };