diff --git a/contrib/build-base.Dockerfile b/contrib/build-base.Dockerfile
index 64d0e1856..e6394e64a 100644
--- a/contrib/build-base.Dockerfile
+++ b/contrib/build-base.Dockerfile
@@ -2,7 +2,7 @@ FROM ubuntu:20.04
 
 ENV DEBIAN_FRONTEND=noninteractive
 
-RUN apt-get update -qq && apt-get -qq -y --no-install-recommends install ca-certificates curl gcc git build-essential wget ruby-dev lintian rpm help2man man-db
+RUN apt-get update -qq && apt-get -qq -y --no-install-recommends install ca-certificates curl gcc git build-essential wget ruby-dev lintian rpm help2man man-db sudo
 RUN curl -sL -o /usr/local/share/ca-certificates/GlobalSignRootCA_R3.crt https://raw.githubusercontent.com/rubygems/rubygems/master/lib/rubygems/ssl_certs/rubygems.org/GlobalSignRootCA_R3.pem
 RUN update-ca-certificates
 RUN command -v fpm || gem install fpm