diff --git a/.github/workflows/build-and-release.yml b/.github/workflows/build-and-release.yml
index 47ee165..8c39057 100644
--- a/.github/workflows/build-and-release.yml
+++ b/.github/workflows/build-and-release.yml
@@ -48,35 +48,64 @@ jobs:
       - name: Build zip package
         run: make zip
 
+      # Gitea has no `gh` CLI; use REST API (same host as checkout).
       - name: Nightly release (single tag, updated in place)
         env:
-          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          SERVER_URL: ${{ github.server_url }}
         run: |
           set -euo pipefail
           TAG=nightly
           ZIP="./output/OmniNX Downloader.zip"
-          REPO="${{ github.repository }}"
+          FULL="${{ github.repository }}"
+          OWNER="${FULL%%/*}"
+          REPO_NAME="${FULL#*/}"
           SHA="${{ github.sha }}"
           REF="${{ github.ref_name }}"
+          API="${SERVER_URL%/}/api/v1"
 
           git config user.name "github-actions[bot]"
           git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
           git tag -f "$TAG"
           git push origin "refs/tags/$TAG" --force
 
-          NOTES="Single nightly build artifact (updated every push).
+          NOTES="Single nightly build artifact (updated on schedule or manual run).
 
           **Commit:** \`${SHA}\`
           **Branch:** \`${REF}\`
           **Built:** $(date -u '+%Y-%m-%d %H:%M:%S UTC')"
 
-          if gh release view "$TAG" --repo "$REPO" >/dev/null 2>&1; then
-            gh release upload "$TAG" "$ZIP" --clobber --repo "$REPO"
-            gh release edit "$TAG" --title "Nightly" --notes "$NOTES" --prerelease --repo "$REPO"
-          else
-            gh release create "$TAG" "$ZIP" \
-              --title "Nightly" \
-              --notes "$NOTES" \
-              --prerelease \
-              --repo "$REPO"
+          AUTH=(-H "Authorization: token ${GITHUB_TOKEN}")
+
+          # Remove existing release so we can recreate with a fresh attachment (Gitea has no clobber).
+          HTTP_CODE=$(curl -sS -o /tmp/gitea_rel.json -w "%{http_code}" "${AUTH[@]}" \
+            "${API}/repos/${OWNER}/${REPO_NAME}/releases/tags/${TAG}")
+          if [ "$HTTP_CODE" = "200" ]; then
+            RID=$(python3 -c "import json; print(json.load(open('/tmp/gitea_rel.json'))['id'])")
+            curl -sS -X DELETE "${AUTH[@]}" \
+              "${API}/repos/${OWNER}/${REPO_NAME}/releases/${RID}"
           fi
+
+          export NOTES TAG
+          JSON_BODY=$(python3 <<'PY'
+          import json, os
+          print(json.dumps({
+              "tag_name": os.environ["TAG"],
+              "name": "Nightly",
+              "body": os.environ["NOTES"],
+              "draft": False,
+              "prerelease": True,
+          }))
+          PY
+          )
+          curl -sS -f -X POST "${AUTH[@]}" -H "Content-Type: application/json" \
+            -d "$JSON_BODY" \
+            "${API}/repos/${OWNER}/${REPO_NAME}/releases" | tee /tmp/gitea_create.json
+
+          RID=$(python3 -c "import json; print(json.load(open('/tmp/gitea_create.json'))['id'])")
+          export ASSET_NAME="OmniNX Downloader.zip"
+          QNAME=$(python3 -c "import urllib.parse,os; print(urllib.parse.quote(os.environ['ASSET_NAME']))")
+
+          curl -sS -f -X POST "${AUTH[@]}" \
+            -F "attachment=@${ZIP};filename=${ASSET_NAME}" \
+            "${API}/repos/${OWNER}/${REPO_NAME}/releases/${RID}/assets?name=${QNAME}"