diff --git a/Dockerfile b/Dockerfile
index f3529ef..4096bad 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,5 @@
 ARG NGINX_VERSION=1.20.1
+ARG NGX_BROTLI_COMMIT=9aec15e2aa6feea2113119ba06460af70ab3ea62
 ARG CONFIG="\
 		--prefix=/etc/nginx \
 		--sbin-path=/usr/sbin/nginx \