diff --git a/Dockerfile b/Dockerfile
index 8eaebed..a134d3b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -57,7 +57,7 @@ RUN arm-linux-gnueabi-gcc -Wall -static -static-libgcc -o /uboot_tool /uboot.c
 FROM alpine:3.14
 
 RUN apk update && \
-    apk add automake build-base git autoconf confuse-dev linux-headers \
+    apk add automake build-base git autoconf confuse-dev linux-headers sudo \
             findutils mtools e2fsprogs-extra alpine-sdk dosfstools uboot-tools && \
     rm -rf /var/cache/apk/*