diff --git a/tools/wptrunner/requirements_firefox.txt b/tools/wptrunner/requirements_firefox.txt
index 2b98c0a65d4caf..1ca005afd92bf2 100644
--- a/tools/wptrunner/requirements_firefox.txt
+++ b/tools/wptrunner/requirements_firefox.txt
@@ -1,4 +1,4 @@
-marionette_driver==3.4.0
+marionette_driver==3.5.0
 mozcrash==2.2.1
 mozdevice==4.2.0
 mozinstall==2.1.0