diff --git a/.github/workflows/docker-publish.yml b/.github/workflows/docker-publish.yml
index 5ab8acf..9ffc325 100644
--- a/.github/workflows/docker-publish.yml
+++ b/.github/workflows/docker-publish.yml
@@ -45,6 +45,10 @@ jobs:
         with:
           cosign-release: 'v2.1.1'
 
+      # Set up QEMU for cross-platform builds
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+  
       # Set up BuildKit Docker container builder to be able to build
       # multi-platform images and export cache
       # https://github.com/docker/setup-buildx-action
@@ -106,6 +110,7 @@ jobs:
         with:
           context: .
           push: ${{ github.event_name != 'pull_request' }}
+          platforms: linux/amd64,linux/arm64
           tags: |
             ${{ steps.meta.outputs.tags }}
             ${{ steps.meta_dockerhub.outputs.tags }}
@@ -121,6 +126,7 @@ jobs:
         with:
           context: .
           push: ${{ github.event_name != 'pull_request' }}
+          platforms: linux/amd64,linux/arm64
           tags: |
             ${{ steps.meta-full.outputs.tags }}
             ${{ steps.meta_dockerhub-full.outputs.tags }}
diff --git a/Dockerfile b/Dockerfile
index 951fe49..13d22f4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,22 +3,18 @@ ARG BUILDTYPE=minimal
 FROM debian:12-slim AS build-venv
 
 RUN apt-get update && \
-    apt-get install --no-install-suggests --no-install-recommends --yes xz-utils python3 python3-venv && \
+    apt-get install --no-install-suggests --no-install-recommends --yes gcc python3-dev python3 python3-venv && \
     apt-get clean && \
     python3 -m venv /venv && \
     /venv/bin/pip install --upgrade pip
 
-ADD https://github.com/eugeneware/ffmpeg-static/releases/download/b6.0/ffmpeg-linux-x64 /usr/bin/ffmpeg
-ADD https://www.7-zip.org/a/7z2301-linux-x64.tar.xz /tmp/
-RUN tar -C /usr/bin -xvf /tmp/7z*.tar.xz 7zz
 COPY . /tmp/comiclib
 RUN /venv/bin/pip install --no-cache-dir -U "/tmp/comiclib[full]"
 RUN /venv/bin/pip install --no-cache-dir -U gunicorn
 RUN mkdir /userdata 
 
-FROM debian:12-slim AS data
+FROM quay.io/karuboniru/7zz:2301 AS data
 ADD https://files.niconi.org/api_dump.sqlite.7z /tmp
-COPY --from=build-venv /usr/bin/7zz /usr/bin
 RUN mkdir /exract
 WORKDIR /extract
 RUN 7zz x /tmp/api_dump.sqlite.7z
@@ -33,9 +29,12 @@ ENV importEHdb_database_URI=file:api_dump.sqlite?mode=rw
 
 FROM product-env-${BUILDTYPE}
 COPY --from=build-venv /venv                            /venv
-COPY --from=build-venv /usr/bin/7zz                     /usr/bin
-COPY --from=build-venv /usr/bin/ffmpeg                  /usr/bin
 COPY --from=build-venv /userdata                        /userdata
+COPY --from=quay.io/karuboniru/7zz:2301  \
+                       /usr/local/bin/7zz               /usr/bin
+COPY --from=docker.io/mwader/static-ffmpeg:latest \
+                       /ffmpeg                          /usr/bin
+
 ENV content=/root/comiclib watch=False
 EXPOSE 8000
 WORKDIR /userdata