diff --git a/Dockerfile.builder b/Dockerfile.builder
index 751aa32..66a0de1 100644
--- a/Dockerfile.builder
+++ b/Dockerfile.builder
@@ -46,7 +46,11 @@ RUN set -eux; \
     test -n "$deb"; \
     cp "$win" /desktop-artifacts/fieldlens-print-windows-x64-setup.exe; \
     cp "$deb" /desktop-artifacts/fieldlens-print-linux-x64.deb; \
-    sha256sum /desktop-artifacts/* > /desktop-artifacts/SHA256SUMS
+    win_sha="$(sha256sum /desktop-artifacts/fieldlens-print-windows-x64-setup.exe | awk '{print $1}')"; \
+    deb_sha="$(sha256sum /desktop-artifacts/fieldlens-print-linux-x64.deb | awk '{print $1}')"; \
+    sha256sum /desktop-artifacts/fieldlens-print-windows-x64-setup.exe /desktop-artifacts/fieldlens-print-linux-x64.deb > /desktop-artifacts/SHA256SUMS; \
+    version="$(node -p "require('./package.json').version")"; \
+    printf '{\n  "version": "%s",\n  "notes": "FieldLens Print desktop update",\n  "downloads": {\n    "windows-x86_64": {\n      "url": "https://fieldlens.arrowstack.dev/downloads/fieldlens-print-windows-x64-setup.exe",\n      "sha256": "%s"\n    },\n    "linux-x86_64-deb": {\n      "url": "https://fieldlens.arrowstack.dev/downloads/fieldlens-print-linux-x64.deb",\n      "sha256": "%s"\n    }\n  }\n}\n' "$version" "$win_sha" "$deb_sha" > /desktop-artifacts/release.json
 
 FROM nginx:1.27-alpine
 COPY --from=build /desktop-artifacts /usr/share/nginx/html