diff --git a/.github/goreleaser.yml b/.github/goreleaser.yml
index c36fae2d4..61d888800 100644
--- a/.github/goreleaser.yml
+++ b/.github/goreleaser.yml
@@ -27,6 +27,10 @@ archives:
     ids:
       - silo
     name_template: "silo_{{ .Env.PKG_VERSION }}_{{ .Os }}_{{ .Arch }}"
+    formats: ["tar.gz"]
+    format_overrides:
+      - goos: windows
+        formats: ["zip"]
     # Explicit so the license materials cannot silently drop out of the
     # binary archives: GoReleaser's default file globs would miss NOTICE.
     # CREDITS stays out deliberately -- at 1.8MB it would dominate the
diff --git a/.github/workflows/test-release.yml b/.github/workflows/test-release.yml
index c1c8d3d8b..e32b338d7 100644
--- a/.github/workflows/test-release.yml
+++ b/.github/workflows/test-release.yml
@@ -120,13 +120,34 @@ jobs:
           LDFLAGS: ${{ env.LDFLAGS }}
           PKG_VERSION: ${{ env.PKG_VERSION }}
 
-      - name: Verify archive SBOM and checksum coverage
+      - name: Verify archive formats, documentation, SBOMs, and checksums
         run: |
           set -euo pipefail
-          mapfile -t archives < <(find dist -maxdepth 1 -type f -name 'silo_*.tar.gz' | sort)
-          mapfile -t sboms < <(find dist -maxdepth 1 -type f -name 'silo_*.tar.gz.sbom.json' | sort)
+          mapfile -t archives < <(find dist -maxdepth 1 -type f \( -name 'silo_*.tar.gz' -o -name 'silo_*.zip' \) | sort)
+          mapfile -t sboms < <(find dist -maxdepth 1 -type f \( -name 'silo_*.tar.gz.sbom.json' -o -name 'silo_*.zip.sbom.json' \) | sort)
           test "${#archives[@]}" -eq 6
           test "${#sboms[@]}" -eq 6
+          for os in linux darwin windows; do
+            format=tar.gz
+            binary=silo
+            if [ "${os}" = windows ]; then
+              format=zip
+              binary=silo.exe
+            fi
+            for arch in amd64 arm64; do
+              archive="dist/silo_${PKG_VERSION}_${os}_${arch}.${format}"
+              test -s "${archive}"
+              jq -e '.spdxVersion | startswith("SPDX-")' "${archive}.sbom.json" >/dev/null
+              if [ "${format}" = zip ]; then
+                listing="$(unzip -Z1 "${archive}")"
+              else
+                listing="$(tar -tzf "${archive}")"
+              fi
+              for member in "${binary}" LICENSE NOTICE README.md; do
+                grep -Fx "${member}" <<< "${listing}"
+              done
+            done
+          done
           manifest="dist/silo_${PKG_VERSION}_checksums.txt"
           test -s "${manifest}"
           (