diff --git a/hosts.txt b/hosts.txt
index 2ac1779..c681ad7 100644
--- a/hosts.txt
+++ b/hosts.txt
@@ -281,6 +281,7 @@ boosteroid.com
 bosch-home.com
 bradyid.com
 broccolionline.jp
+buf.build
 cambiumnetworks.com
 canva.com
 cdromance.org