WampServer

received an update email from sourceforge with wampserver3_x64_addon_mysql5.5.56.exe but on install I get a message that my version of wampserver is 3.0.6 and the update can only be installed on 3.0.8 or above. Wampserver website install is 3.0.6 so how do I get 3.0.8 or above?
Forum: WampServer English