diff --git a/testing/marionette/client/marionette_driver/__init__.py b/testing/marionette/client/marionette_driver/__init__.py
index f96fb0df275a..672586f42b61 100644
--- a/testing/marionette/client/marionette_driver/__init__.py
+++ b/testing/marionette/client/marionette_driver/__init__.py
@@ -4,7 +4,7 @@
 
 from __future__ import absolute_import
 
-__version__ = '2.8.0'
+__version__ = '3.0.0'
 
 from marionette_driver import (
     addons,
diff --git a/testing/marionette/harness/marionette_harness/__init__.py b/testing/marionette/harness/marionette_harness/__init__.py
index f83e48d2c32e..4dafaa28e3b9 100644
--- a/testing/marionette/harness/marionette_harness/__init__.py
+++ b/testing/marionette/harness/marionette_harness/__init__.py
@@ -4,7 +4,7 @@
 
 from __future__ import absolute_import
 
-__version__ = '4.6.0'
+__version__ = '5.0.0'
 
 from .marionette_test import (
     CommonTestCase,
diff --git a/testing/marionette/harness/requirements.txt b/testing/marionette/harness/requirements.txt
index 36e343d6a699..03d61d35bd6a 100644
--- a/testing/marionette/harness/requirements.txt
+++ b/testing/marionette/harness/requirements.txt
@@ -1,6 +1,6 @@
 browsermob-proxy >= 0.8.0
 manifestparser >= 1.1
-marionette-driver >= 2.8.0
+marionette-driver >= 3.0.0
 mozcrash >= 1.1.0
 mozdevice >= 3.0.1
 mozinfo >= 1.0.0