diff --git a/mobile/android/app/src/main/assets/publicsuffixlist b/mobile/android/app/src/main/assets/publicsuffixlist
index 7f834b1a89bd..6874b4005ae3 100644
--- a/mobile/android/app/src/main/assets/publicsuffixlist
+++ b/mobile/android/app/src/main/assets/publicsuffixlist
@@ -3005,6 +3005,8 @@ edu.mn
 gov.mn
 london
 fashion
+onion
+bit.onion
 creditunion
 vision
 eurovision
diff --git a/netwerk/dns/effective_tld_names.dat b/netwerk/dns/effective_tld_names.dat
index 0c53819d860d..469fb3d53ba1 100644
--- a/netwerk/dns/effective_tld_names.dat
+++ b/netwerk/dns/effective_tld_names.dat
@@ -5497,6 +5497,7 @@ pro.om
 onion
 tor.onion
 securedrop.tor.onion
+bit.onion
 
 // org : https://en.wikipedia.org/wiki/.org
 org
