--- a/python/mozboot/mozboot/mozillabuild.py
+++ b/python/mozboot/mozboot/mozillabuild.py
@@ -49,16 +49,19 @@ class MozillaBuildBootstrapper(BaseBoots
         self.pip_install('mercurial')
 
     def upgrade_python(self, current):
         pass
 
     def install_browser_packages(self):
         pass
 
+    def install_browser_artifact_mode_packages(self):
+        pass
+
     def install_mobile_android_packages(self):
         pass
 
     def install_mobile_android_artifact_mode_packages(self):
         pass
 
     def _update_package_manager(self):
         pass