diff --git a/EU_US+most_used_ad_and_tracking_networks b/EU_US+most_used_ad_and_tracking_networks
index dcdcba1..0f51bf3 100644
--- a/EU_US+most_used_ad_and_tracking_networks
+++ b/EU_US+most_used_ad_and_tracking_networks
@@ -3,7 +3,7 @@
 ! Title: EU US most prevalent ads & trackers ABP format for uBlockOrigin and Adguard.
 ! Expires: 30 days 
 !
-! Version: 2021.12.07 
+! Version: 2021.12.13 
 !
 ! Please report issues related to website breakage at
 ! https://github.com/Kees1958/W3C_annual_most_used_survey_blocklist/issues
@@ -3881,8 +3881,11 @@
 ||serious-partners.com$third-party
 ||serv-ac.com$third-party
 ||servebom.com$third-party
+||servedby-buysellads.com$third-party
 ||servedbyadbutler.com$third-party
 ||servedbyopenx.com$third-party
+||servenobid.com$third-party
+||serverbid.com$third-party
 ||servestats.com$third-party
 ||services.hearstmags.com$third-party
 ||serving-sys.com$third-party