diff --git a/src/Russia-domains-inside.lst b/src/Russia-domains-inside.lst
index f08b4bb..a542cc9 100644
--- a/src/Russia-domains-inside.lst
+++ b/src/Russia-domains-inside.lst
@@ -363,4 +363,5 @@ lib.rus.ec
 hdrezka.ag
 4pda.to
 spreadthesign.com
-daemon-tools.cc
\ No newline at end of file
+daemon-tools.cc
+buf.build
\ No newline at end of file