diff --git a/packaging/build_all.sh b/packaging/build_all.sh
new file mode 100755
index 0000000..192cb6f
--- /dev/null
+++ b/packaging/build_all.sh
@@ -0,0 +1,16 @@
+#!/bin/sh -eu
+
+# Resulting packages will be placed in the current working directory.
+# Environment variables:
+# GIT_BRANCH - which branch to build
+
+GIT_BRANCH=${GIT_BRANCH:='master'}
+
+DIRNAME=$(dirname $0)
+
+BASE='centos:7'      ${DIRNAME}/rpm/build.sh
+BASE='rockylinux:8'  ${DIRNAME}/rpm/build.sh
+
+BASE='debian:stable' ${DIRNAME}/deb/build.sh
+BASE='ubuntu:22.04'  ${DIRNAME}/deb/build.sh
+BASE='ubuntu:24.04'  ${DIRNAME}/deb/build.sh
diff --git a/packaging/deb/build.sh b/packaging/deb/build.sh
index 9f67fe8..cd69afc 100755
--- a/packaging/deb/build.sh
+++ b/packaging/deb/build.sh
@@ -11,6 +11,7 @@ BASE=${BASE:='debian:stable'}
 
 docker buildx build -t glb-builder-${BASE} --build-arg base=${BASE} \
        https://github.com/codership/glb.git\#${GIT_BRANCH}:packaging/deb/
-mkdir ${BASE} # output dir for packages
+mkdir -p ${BASE} # output dir for packages
+rm -rf ${BASE}/*
 docker run -v ${PWD}:/output --env GIT_BRANCH=${GIT_BRANCH} \
        --env BASE=${BASE} glb-builder-${BASE}
diff --git a/packaging/rpm/build.sh b/packaging/rpm/build.sh
index 8237252..ee9530b 100755
--- a/packaging/rpm/build.sh
+++ b/packaging/rpm/build.sh
@@ -11,6 +11,7 @@ BASE=${BASE:='rockylinux:8'}
 
 docker buildx build -t glb-builder-${BASE} --build-arg base=${BASE} \
        https://github.com/codership/glb.git\#${GIT_BRANCH}:packaging/rpm/
-mkdir ${BASE} # output dir for packages
+mkdir -p ${BASE} # output dir for packages
+rm -rf ${BASE}/*
 docker run -v ${PWD}:/output --env GIT_BRANCH=${GIT_BRANCH} \
        --env BASE=${BASE} glb-builder-${BASE}