diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 807fed3..85b995d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,13 @@ on:
 jobs:
   build:
     name: Build Dockerfile for amd64 and arm64
+    strategy:
+      fail-fast: false
+      matrix:
+        autoconf_version: ["2.69", "2.71", "2.72"]
     runs-on: ubuntu-latest
+    env:
+      TAG: autoconf:${{ matrix.autoconf_version }}-${{ github.run_id }}
     steps:
       - name: Checkout Push to Registry action
         uses: actions/checkout@v4
@@ -22,7 +28,8 @@ jobs:
         uses: docker/build-push-action@v5
         with:
           context: .
-          platforms: linux/amd64,linux/arm64
-          push: false
-          tags: |
-            ghcr.io/corona10/cpython_autoconf
+          build-args: AUTOCONF_VERSION=${{ matrix.autoconf_version }}
+          load: true
+          tags: ${{ env.TAG }}
+      - name: Test
+        run: docker run --rm $TAG autoconf --version | grep ${{ matrix.autoconf_version }}
diff --git a/Dockerfile b/Dockerfile
index 396e41f..f2c52d4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,21 +1,39 @@
 FROM docker.io/library/alpine:3.19
 
+ARG AUTOCONF_VERSION="2.71"
+ARG AUTOCONF_ARCHIVE_VERSION="2023.02.20"
+ARG AUTOMAKE_VERSION="1.16.5"
+
 LABEL org.opencontainers.image.source="https://github.com/corona10/cpython_autoconf"
 LABEL org.opencontainers.image.base.name="docker.io/library/alpine:3.19"
 LABEL org.opencontainers.image.authors="Donghee Na"
-LABEL org.opencontainers.image.title="autoconf 2.72 container for CPython"
-LABEL org.opencontainers.image.description="Container image with autoconf 2.72 tools to regenerate Python's configure script."
+LABEL org.opencontainers.image.title="GNU Autoconf ${AUTOCONF_VERSION} container for CPython"
+LABEL org.opencontainers.image.description="Container image with GNU Autoconf ${AUTOCONF_VERSION}, GNU Automake ${AUTOMAKE_VERSION}, and autoconf-archive ${AUTOCONF_ARCHIVE_VERSION} for generating CPython's configure script."
 
 RUN apk upgrade && \
     apk add \
         alpine-sdk \
         autoconf \
         automake \
-        autoconf-archive \
-        libtool \
-        pkgconfig
-RUN curl https://ftp.gnu.org/gnu/autoconf/autoconf-2.72.tar.gz | tar -zxvf -
-RUN cd autoconf-2.72 && ./configure && make && make install
+        xz
+RUN set -o pipefail \
+    && curl https://ftp.gnu.org/gnu/autoconf/autoconf-${AUTOCONF_VERSION}.tar.gz | tar -zxf - \
+    && cd autoconf-${AUTOCONF_VERSION} \
+    && ./configure --prefix=/usr/local \
+    && make \
+    && make install
+RUN set -o pipefail \
+    && curl https://ftp.gnu.org/gnu/automake/automake-${AUTOMAKE_VERSION}.tar.gz | tar -xzf - \
+    && cd automake-${AUTOMAKE_VERSION} \
+    && ./configure --prefix=/usr/local \
+    && make \
+    && make install
+RUN set -o pipefail \
+    && curl https://ftp.gnu.org/gnu/autoconf-archive/autoconf-archive-${AUTOCONF_ARCHIVE_VERSION}.tar.xz | xz -cd - | tar -xf - \
+    && cd autoconf-archive-${AUTOCONF_ARCHIVE_VERSION} \
+    && ./configure --prefix=/usr/local \
+    && make \
+    && make install
 
 VOLUME /src
 WORKDIR /src
diff --git a/entry.sh b/entry.sh
index 7f81d5b..3c0b077 100755
--- a/entry.sh
+++ b/entry.sh
@@ -1,21 +1,24 @@
 #!/bin/sh
 set -e
 
-SRC=/src
-SENTINEL=${SRC}/pyconfig.h.in
-
-if [ ! -e ${SENTINEL} ]; then
-    echo "ERROR: ${SENTINEL} not found "
-    echo "Did you forget to mount Python work directory with '-v.:/src'?"
-    echo
-    echo "  docker run -v.:/src dongheena/cpython_autoconf"
-    echo "  podman run -v.:/src:Z dongheena/cpython_autoconf"
-    exit 2
-fi
+BIN=/usr/local/bin
+AUTOCONF=$BIN/autoconf
+AUTORECONF=$BIN/autoreconf
 
 if [ "$#" = "0" ]; then
-    echo "Rebuilding configure script using $(autoconf --version | head -n 1)"
-    exec gosu autoreconf -ivf -Werror $@
+    local SENTINEL=/src/pyconfig.h.in
+
+    if [ ! -e ${SENTINEL} ]; then
+        echo "ERROR: ${SENTINEL} not found "
+        echo "Did you forget to mount Python work directory with '-v.:/src'?"
+        echo
+        echo "  docker run -v\$PWD:/src ghcr.io/corona10/cpython_autoconf"
+        echo "  podman run -v\$PWD:/src:Z ghcr.io/corona10/cpython_autoconf"
+        exit 2
+    fi
+
+    echo "Rebuilding configure script using $($AUTOCONF --version | head -n 1)"
+    exec gosu $AUTORECONF -ivf -Werror $@
 fi
 
-exec "$@"
\ No newline at end of file
+exec "$@"