diff --git a/docker/Dockerfile.fluke b/docker/Dockerfile.fluke
index c8dc507..ef99a2e 100644
--- a/docker/Dockerfile.fluke
+++ b/docker/Dockerfile.fluke
@@ -20,7 +20,6 @@ LABEL maintainer "Tim Lianov lianovt@gmail.com"
 # 		libffi-dev \
 # 		libxml2-dev \
 # 		libxslt-dev \
-# 		linux-headers \
 # 		make \
 # 		ncurses-dev \
 # 		openssl \
@@ -33,6 +32,13 @@ LABEL maintainer "Tim Lianov lianovt@gmail.com"
 # 		zlib-dev \
 # 		xz
 
+
+RUN set -ex \
+	\
+	&& apk add --no-cache --virtual .ruby-builddeps \
+		coreutils \
+		linux-headers
+
 ENV RUBYGEMS_VERSION 2.6.10
 RUN gem update --system "$RUBYGEMS_VERSION"