diff --git a/experimental/puppeteer-firefox/lib/Browser.js b/experimental/puppeteer-firefox/lib/Browser.js
index 18e05d0df1d..a14ee71cd0c 100644
--- a/experimental/puppeteer-firefox/lib/Browser.js
+++ b/experimental/puppeteer-firefox/lib/Browser.js
@@ -158,10 +158,18 @@ class Browser extends EventEmitter {
     return Array.from(this._pageTargets.values());
   }
 
-  _onTabOpened({pageId, url, browserContextId}) {
+  async _onTabOpened({pageId, url, browserContextId, openerId}) {
     const context = browserContextId ? this._contexts.get(browserContextId) : this._defaultContext;
-    const target = new Target(this._connection, this, context, pageId, url);
+    const opener = openerId ? this._pageTargets.get(openerId) : null;
+    const target = new Target(this._connection, this, context, pageId, url, opener);
     this._pageTargets.set(pageId, target);
+    if (opener && opener._pagePromise) {
+      const openerPage = await opener._pagePromise;
+      if (openerPage.listenerCount(Events.Page.Popup)) {
+        const popupPage = await target.page();
+        openerPage.emit(Events.Page.Popup, popupPage);
+      }
+    }
     this.emit(Events.Browser.TargetCreated, target);
     context.emit(Events.BrowserContext.TargetCreated, target);
   }
@@ -194,8 +202,9 @@ class Target {
    * @param {!BrowserContext} context
    * @param {string} pageId
    * @param {string} url
+   * @param {?Target} opener
    */
-  constructor(connection, browser, context, pageId, url) {
+  constructor(connection, browser, context, pageId, url, opener) {
     this._browser = browser;
     this._context = context;
     this._connection = connection;
@@ -203,6 +212,14 @@ class Target {
     /** @type {?Promise<!Page>} */
     this._pagePromise = null;
     this._url = url;
+    this._opener = opener;
+  }
+
+  /**
+   * @return {?Target}
+   */
+  opener() {
+    return this._opener;
   }
 
   /**
diff --git a/experimental/puppeteer-firefox/lib/Events.js b/experimental/puppeteer-firefox/lib/Events.js
index f00c90328b2..5646db6349e 100644
--- a/experimental/puppeteer-firefox/lib/Events.js
+++ b/experimental/puppeteer-firefox/lib/Events.js
@@ -9,6 +9,7 @@ const Events = {
     FrameNavigated: 'framenavigated',
     Load: 'load',
     PageError: 'pageerror',
+    Popup: 'popup',
   },
   Browser: {
     TargetCreated: 'targetcreated',
diff --git a/experimental/puppeteer-firefox/package.json b/experimental/puppeteer-firefox/package.json
index 3cd64fc447e..a45db348df1 100644
--- a/experimental/puppeteer-firefox/package.json
+++ b/experimental/puppeteer-firefox/package.json
@@ -9,7 +9,7 @@
     "node": ">=8.9.4"
   },
   "puppeteer": {
-    "firefox_revision": "ed8e119ec1279c3db3638e90e910edb3816e0280"
+    "firefox_revision": "9702d3d2dd86550e385fadec66eb28a5ff2b1322"
   },
   "scripts": {
     "install": "node install.js",
diff --git a/test/page.spec.js b/test/page.spec.js
index 20b5fe0d16b..59717612c10 100644
--- a/test/page.spec.js
+++ b/test/page.spec.js
@@ -102,7 +102,7 @@ module.exports.addTests = function({testRunner, expect, headless, Errors, Device
     });
   });
 
-  describe_fails_ffox('Page.Events.Popup', function() {
+  describe('Page.Events.Popup', function() {
     it('should work', async({page}) => {
       const [popup] = await Promise.all([
         new Promise(x => page.once('popup', x)),
diff --git a/test/target.spec.js b/test/target.spec.js
index ea042b411c6..818eef4830c 100644
--- a/test/target.spec.js
+++ b/test/target.spec.js
@@ -132,7 +132,7 @@ module.exports.addTests = function({testRunner, expect, puppeteer, Errors}) {
       // Cleanup.
       await newPage.close();
     });
-    it_fails_ffox('should have an opener', async({page, server, context}) => {
+    it('should have an opener', async({page, server, context}) => {
       await page.goto(server.EMPTY_PAGE);
       const [createdTarget] = await Promise.all([
         new Promise(fulfill => context.once('targetcreated', target => fulfill(target))),