--- a/dom/media/test/external/requirements.txt
+++ b/dom/media/test/external/requirements.txt
@@ -12,9 +12,9 @@ moznetwork==0.27
 mozprocess==0.23
 mozprofile==0.28
 mozrunner==6.12
 moztest==0.7
 mozversion==1.4
 wptserve==1.3.0
 marionette-client==3.1.0
 marionette-driver==2.0.0
-firefox-puppeteer >= 52.0.0, <53.0.0
+firefox-puppeteer >= 52.1.0, <53.0.0

--- a/testing/firefox-ui/harness/requirements.txt
+++ b/testing/firefox-ui/harness/requirements.txt
@@ -1,5 +1,5 @@
-firefox-puppeteer >= 52.0.0, <53.0.0
+firefox-puppeteer >= 52.1.0, <53.0.0
 marionette-client >= 2.3.0
 mozfile >= 1.2
 mozinfo >= 0.8
 mozinstall >= 1.12

--- a/testing/puppeteer/firefox/firefox_puppeteer/__init__.py
+++ b/testing/puppeteer/firefox/firefox_puppeteer/__init__.py
@@ -1,8 +1,8 @@
 # This Source Code Form is subject to the terms of the Mozilla Public
 # License, v. 2.0. If a copy of the MPL was not distributed with this file,
 # You can obtain one at http://mozilla.org/MPL/2.0/.
 
 from firefox_puppeteer.mixins import FirefoxPuppeteerMixin
 
 
-__version__ = '52.0.0'
+__version__ = '52.1.0'