diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 5a2395d..9dd9c8c 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -158,6 +158,9 @@ jobs:
         run: |
           gh release upload "v${VERSION}" dist/*.tar.gz dist/checksums.txt --clobber
 
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
 
@@ -175,6 +178,7 @@ jobs:
         with:
           context: .
           file: Containerfile
+          platforms: linux/amd64,linux/arm64
           push: true
           build-args: |
             VERSION=${{ env.VERSION }}
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 25a8346..348c5fd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,13 @@
 
 All notable changes to this project are documented in this file.
 
+## 0.3.4 - 2026-02-24
+
+### Added
+
+- Multi-architecture container image builds: release now produces `linux/amd64` and `linux/arm64` images behind a single manifest tag, mirroring the binary release platform matrix.
+- QEMU emulation setup in release workflow to enable cross-platform container builds on GitHub Actions runners.
+
 ## 0.3.3 - 2026-02-24
 
 ### Fixed