From 3878dbe526049f6fe69454b31e9f8d80cd1e3b82 Mon Sep 17 00:00:00 2001
From: Jess Frazelle <acidburn@microsoft.com>
Date: Wed, 25 Apr 2018 15:10:21 -0400
Subject: [PATCH] update

Signed-off-by: Jess Frazelle <acidburn@microsoft.com>
---
 kernel-builder/Dockerfile | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/kernel-builder/Dockerfile b/kernel-builder/Dockerfile
index 66e229a..6bab011 100644
--- a/kernel-builder/Dockerfile
+++ b/kernel-builder/Dockerfile
@@ -4,8 +4,10 @@ LABEL maintainer "Jessie Frazelle <jess@linux.com>"
 RUN dpkg --add-architecture arm64 \
 	&& dpkg --add-architecture ppc64el \
 	&& apt-get update && apt-get install -y \
+	bison \
 	ca-certificates \
 	curl \
+	flex \
 	gnupg \
 	crossbuild-essential-arm64 \
 	crossbuild-essential-ppc64el \