diff --git a/Dockerfile b/Dockerfile
index 4130f66..349b276 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,7 +5,7 @@ FROM alpine:3.7
 LABEL maintainer "jar3b <hellotan@live.ru>"
 RUN apk add --no-cache alpine-sdk libressl-dev mariadb-dev postgresql-dev gdbm-dev readline-dev bash libtool autoconf \
     automake perl-dev python2-dev openldap-dev krb5-dev unixodbc-dev linux-pam-dev sqlite-dev talloc-dev libpcap-dev \
-    linux-headers curl-dev hiredis-dev json-c-dev
+    linux-headers curl-dev hiredis-dev json-c-dev sudo
 RUN adduser -D builder \
     && passwd -d builder \
     && echo "builder ALL=(ALL) NOPASSWD: ALL" > /etc/sudoers \