diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
new file mode 100644
index 0000000..0fc77f5
--- /dev/null
+++ b/.github/workflows/build.yml
@@ -0,0 +1,169 @@
+name: Build and publish FastQC release
+
+on:
+  push:
+    branches: [master]
+  pull_request:
+  release:
+    types: [published]
+  workflow_dispatch:
+    inputs:
+      tag_name:
+        description: 'Tag or version string to use in artifact filenames when running manually (e.g., v0.12.1)'
+        required: false
+        default: 'dev'
+
+permissions:
+  contents: write
+
+jobs:
+  build-zip:
+    name: Build ZIP (Win/Linux)
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Java 11
+        uses: actions/setup-java@v4
+        with:
+          distribution: temurin
+          java-version: '11'
+
+      - name: Build with Ant
+        run: ant clean build
+
+      - name: Ensure executable flags
+        run: chmod +x bin/fastqc
+
+      - name: Stage distribution folder
+        run: |
+          rm -rf FastQC
+          mkdir -p FastQC
+          cp -a bin/. FastQC/
+
+      - name: Determine version
+        id: vars
+        shell: bash
+        run: |
+          if [ "${{ github.event_name }}" = "release" ]; then
+            echo "version=${{ github.event.release.tag_name }}" >> $GITHUB_OUTPUT
+          elif [ "${{ github.event_name }}" = "push" ]; then
+            echo "version=${{ github.ref_name }}" >> $GITHUB_OUTPUT
+          elif [ "${{ github.event_name }}" = "pull_request" ]; then
+            echo "version=PR-${{ github.event.pull_request.number }}" >> $GITHUB_OUTPUT
+          else
+            echo "version=${{ github.event.inputs.tag_name }}" >> $GITHUB_OUTPUT
+          fi
+
+      - name: Create ZIP archive
+        run: zip -r "fastqc_${{ steps.vars.outputs.version }}.zip" FastQC
+
+      - name: Upload asset to GitHub Release
+        if: github.event_name == 'release'
+        uses: softprops/action-gh-release@v2
+        with:
+          tag_name: ${{ github.event.release.tag_name }}
+          files: fastqc_${{ steps.vars.outputs.version }}.zip
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Upload artifact (manual run)
+        if: github.event_name != 'release'
+        uses: actions/upload-artifact@v4
+        with:
+          name: fastqc_${{ steps.vars.outputs.version }}.zip
+          path: fastqc_${{ steps.vars.outputs.version }}.zip
+
+  build-dmg:
+    name: Build DMG (macOS)
+    runs-on: macos-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Java 11
+        uses: actions/setup-java@v4
+        with:
+          distribution: temurin
+          java-version: '11'
+
+      - name: Build with Ant
+        run: ant clean build
+
+      - name: Ensure executable flags
+        run: chmod +x bin/fastqc
+
+      - name: Stage distribution folder
+        run: |
+          mkdir -p FastQC.app/Contents/MacOS
+          mkdir -p FastQC.app/Contents/Resources
+          cp -a bin/. FastQC.app/Contents/MacOS/
+          cp -a bin/uk/ac/babraham/FastQC/Resources/fastqc_icons.icns FastQC.app/Contents/Resources/fastqc_icons.icns
+          echo "APPL????" > FastQC.app/Contents/PkgInfo
+          chmod 777 FastQC.app/Contents/PkgInfo
+          cat > FastQC.app/Contents/Info.plist << 'EOF'
+          <?xml version="1.0" encoding="UTF-8"?>
+          <!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+          <plist version="1.0">
+          <dict>
+          	<key>CFBundleAllowMixedLocalizations</key>
+          	<string>true</string>
+          	<key>CFBundleDevelopmentRegion</key>
+          	<string>English</string>
+          	<key>CFBundleExecutable</key>
+          	<string>fastqc</string>
+          	<key>CFBundleIconFile</key>
+          	<string>fastqc_icons.icns</string>
+          	<key>CFBundleInfoDictionaryVersion</key>
+          	<string>6.0</string>
+          	<key>CFBundleName</key>
+          	<string>FastQC</string>
+          	<key>CFBundlePackageType</key>
+          	<string>APPL</string>
+          	<key>CFBundleSignature</key>
+          	<string>????</string>
+          	<key>CFBundleVersion</key>
+          	<string>0.12.0</string>
+          </dict>
+          </plist>
+          EOF
+          chmod 777 FastQC.app/Contents/Info.plist
+
+
+
+      - name: Determine version
+        id: vars
+        shell: bash
+        run: |
+          if [ "${{ github.event_name }}" = "release" ]; then
+            echo "version=${{ github.event.release.tag_name }}" >> $GITHUB_OUTPUT
+          elif [ "${{ github.event_name }}" = "push" ]; then
+            echo "version=${{ github.ref_name }}" >> $GITHUB_OUTPUT
+          elif [ "${{ github.event_name }}" = "pull_request" ]; then
+            echo "version=PR-${{ github.event.pull_request.number }}" >> $GITHUB_OUTPUT
+          else
+            echo "version=${{ github.event.inputs.tag_name }}" >> $GITHUB_OUTPUT
+          fi
+
+      - name: Create DMG image
+        run: |
+          hdiutil create -volname "FastQC" -srcfolder FastQC.app -ov -format UDZO "fastqc_${{ steps.vars.outputs.version }}.dmg"
+
+      - name: Upload asset to GitHub Release
+        if: github.event_name == 'release'
+        uses: softprops/action-gh-release@v2
+        with:
+          tag_name: ${{ github.event.release.tag_name }}
+          files: fastqc_${{ steps.vars.outputs.version }}.dmg
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Upload artifact (manual run)
+        if: github.event_name != 'release'
+        uses: actions/upload-artifact@v4
+        with:
+          name: fastqc_${{ steps.vars.outputs.version }}.dmg
+          path: fastqc_${{ steps.vars.outputs.version }}.dmg
+
+
diff --git a/uk/ac/babraham/FastQC/Resources/fastqc_icons.icns b/uk/ac/babraham/FastQC/Resources/fastqc_icons.icns
new file mode 100755
index 0000000..c54a987
Binary files /dev/null and b/uk/ac/babraham/FastQC/Resources/fastqc_icons.icns differ