diff --git a/linux-x86_64-full/Dockerfile.in b/linux-x86_64-full/Dockerfile.in
index cfaa2e2..03d7203 100644
--- a/linux-x86_64-full/Dockerfile.in
+++ b/linux-x86_64-full/Dockerfile.in
@@ -3,8 +3,8 @@ FROM dockcross/base:latest
 # This is for 64-bit x86 Linux machine
 
 # Buildroot version
-# buildroot master 2021-09-20
-ENV BR_VERSION d4877e6f88d5eea54dc74b855556ffc0dd3f399f
+# buildroot master 2021-09-21
+ENV BR_VERSION 279167ee8dc37b1c41ff9076d6769c950d5a33f1
 
 #include "common.buildroot"