diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d6ab5ff..6deb87b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -24,22 +24,19 @@ jobs:
       fail-fast: false
       matrix:
         os: ["linux"]
+        # TODO: Return `arm32v6`, `arm32v7` and `s390x` once
+        #       nodejs/docker-node#1973 is resolved:
+        #       https://github.com/nodejs/docker-node/issues/1973
         arch:
           - amd64
-          - arm32v6
-          - arm32v7
           - arm64v8
           - ppc64le
-          - s390x
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0  # for correct image labeling via `git describe --tags`
       - uses: docker/setup-buildx-action@v3
-      - uses: docker/setup-qemu-action@v3
-        with:
-          image: tonistiigi/binfmt:qemu-v8.1.4
 
       - run: make docker.image no-cache=yes
                   platform=${{ matrix.os }}/${{ matrix.arch }}
@@ -66,13 +63,13 @@ jobs:
       fail-fast: false
       matrix:
         os: ["linux"]
+        # TODO: Return `arm32v6`, `arm32v7` and `s390x` once
+        #       nodejs/docker-node#1973 is resolved:
+        #       https://github.com/nodejs/docker-node/issues/1973
         arch:
           - amd64
-          - arm32v6
-          - arm32v7
           - arm64v8
           - ppc64le
-          - s390x
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
@@ -154,13 +151,14 @@ jobs:
         if: ${{ steps.skip.outputs.no == 'true' }}
 
       - name: Tag and push single-platform images
+
+        # TODO: Return `arm32v6`, `arm32v7` and `s390x` once
+        #       nodejs/docker-node#1973 is resolved:
+        #       https://github.com/nodejs/docker-node/issues/1973
         run: |
           for platform in linux-amd64 \
-                          linux-arm32v6 \
-                          linux-arm32v7 \
                           linux-arm64v8 \
-                          linux-ppc64le \
-                          linux-s390x
+                          linux-ppc64le
           do
             make docker.untar \
                  from-file=.cache/$platform-${{ github.run_number }}/image.tar
@@ -174,14 +172,14 @@ jobs:
           done
         if: ${{ steps.skip.outputs.no == 'true' }}
       - name: Tag and push multi-platform images
+        # TODO: Return `arm32v6`, `arm32v7` and `s390x` once
+        #       nodejs/docker-node#1973 is resolved:
+        #       https://github.com/nodejs/docker-node/issues/1973
         run: make docker.manifest push=yes
                   registries=${{ matrix.registry }}
                   of='${{ steps.version.outputs.group1 }}-linux-amd64
-                      ${{ steps.version.outputs.group1 }}-linux-arm32v6
-                      ${{ steps.version.outputs.group1 }}-linux-arm32v7
                       ${{ steps.version.outputs.group1 }}-linux-arm64v8
-                      ${{ steps.version.outputs.group1 }}-linux-ppc64le
-                      ${{ steps.version.outputs.group1 }}-linux-s390x'
+                      ${{ steps.version.outputs.group1 }}-linux-ppc64le'
         if: ${{ steps.skip.outputs.no == 'true' }}
 
       # On GitHub Container Registry README is automatically updated on pushes.
diff --git a/CHANGELOG.md b/CHANGELOG.md
index aa2e56b..6912335 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,10 @@ All user visible changes to this project will be documented in this file. This p
 
 [Diff](/../../compare/v3.0.2-node18-r4...v3.0.2-node21-r0)
 
+### BC Breaks
+
+- Removed support for `arm32v6`, `arm32v7` and `s390x` platforms ([nodejs/docker-node#1973]).
+
 ### Upgraded
 
 - [Node.js] 21: <https://github.com/nodejs/node/blob/v21.0.0/doc/changelogs/CHANGELOG_V21.md#2023-10-17-version-2100-current-rafaelgss-and-targos>
@@ -19,6 +23,8 @@ All user visible changes to this project will be documented in this file. This p
 
 - [Alpine Linux] 3.19.1: <https://github.com/docker-library/official-images/commit/a5a02e00e489cfaa9dc8056755cd00abe7d0f646>
 
+[nodejs/docker-node#1973]: https://github.com/nodejs/docker-node/issues/1973
+
 
 
 
diff --git a/README.md b/README.md
index 9ae5b4a..a0c1480 100644
--- a/README.md
+++ b/README.md
@@ -23,7 +23,7 @@ Haraka Docker image
 
 ## Supported platforms
 
-- `linux`: `amd64`, `arm32v6`, `arm32v7`, `arm64v8`, `ppc64le`, `s390x`
+- `linux`: `amd64`, `arm64v8`, `ppc64le`