diff --git a/apps/barkd/manifest.yml b/apps/barkd/manifest.yml
index 7830e9e0..884fe82a 100644
--- a/apps/barkd/manifest.yml
+++ b/apps/barkd/manifest.yml
@@ -2,6 +2,14 @@ app:
   id: barkd
   name: Ark Wallet
   version: 0.3.0
+  # Where this app comes from, so scripts/check-upstream-releases.py can
+  # tell us when the pin below has fallen behind. bark ships on GitLab only
+  # (no GitHub mirror), so the gitlab fetcher is the one that can see it.
+  # NOTE: a version bump is code work, not a pin move — the REST shapes are
+  # coded in core/archipelago/src/wallet/ark_client.rs (see Dockerfile note).
+  upstream:
+    kind: gitlab
+    repo: ark-bitcoin/bark
   description: Ark protocol wallet daemon (barkd). Lets the node hold self-custodial off-chain bitcoin via an Ark server; the wallet talks to it over a local REST API. Signet by default while Ark matures.
 
   container:
diff --git a/apps/immich-postgres/manifest.yml b/apps/immich-postgres/manifest.yml
index dd9d8fcf..eb437834 100644
--- a/apps/immich-postgres/manifest.yml
+++ b/apps/immich-postgres/manifest.yml
@@ -2,6 +2,12 @@ app:
   id: immich-postgres
   name: Immich Postgres
   version: "14-vectorchord0.4.3-pgvectors0.2.0"
+  # Upstream is the Immich-built Postgres image, published only on ghcr.io
+  # (no GitHub release tags, no Docker Hub repo) — the ghcr fetcher in
+  # scripts/check-upstream-releases.py is the only one that can see it.
+  upstream:
+    kind: ghcr
+    repo: immich-app/postgres
   description: Postgres (pgvecto.rs / vectorchord) backend for Immich.
 
   # Container named immich_postgres (underscore) to match the runtime's existing
diff --git a/apps/indeedhub-minio/manifest.yml b/apps/indeedhub-minio/manifest.yml
index c507c3d2..917bca16 100644
--- a/apps/indeedhub-minio/manifest.yml
+++ b/apps/indeedhub-minio/manifest.yml
@@ -2,6 +2,12 @@ app:
   id: indeedhub-minio
   name: IndeedHub MinIO
   version: "RELEASE.2024-11-07T00-52-20Z"
+  # MinIO's release tags are date-opaque (RELEASE.YYYY-MM-DD…), so the
+  # checker reports them as UNCOMPARABLE rather than ordering them — the
+  # latest tag is still shown for hand comparison, which is the point.
+  upstream:
+    kind: github
+    repo: minio/minio
   description: MinIO S3-compatible object storage for IndeedHub media.
   category: community
 
diff --git a/apps/lightning-stack/manifest.yml b/apps/lightning-stack/manifest.yml
index e9befcd6..fe2000ec 100644
--- a/apps/lightning-stack/manifest.yml
+++ b/apps/lightning-stack/manifest.yml
@@ -2,6 +2,12 @@ app:
   id: lightning-stack
   name: Lightning Stack
   version: 0.12.0
+  # No public listing exists for lightninglabs/lightning-stack (checked
+  # docker.io, ghcr.io and github.com) — nothing can be queried automatically,
+  # so this one is tracked by hand.
+  upstream:
+    kind: manual
+    url: no public listing for lightninglabs/lightning-stack — verify by hand
   description: Complete Lightning Network implementation. Includes LND, CLN, and management tools.
   
   container:
diff --git a/apps/pine-whisper/manifest.yml b/apps/pine-whisper/manifest.yml
index b2835ba7..8e04df1b 100644
--- a/apps/pine-whisper/manifest.yml
+++ b/apps/pine-whisper/manifest.yml
@@ -6,6 +6,14 @@ app:
   # pick up the args change; the pre-release form "3.4.1-1" would compare
   # LOWER than 3.4.1 under semver and never roll out.
   version: "3.4.2"
+  # Tracks the rhasspy/wyoming-whisper image we pin (Docker Hub — the
+  # project's GitHub tags are not the image tags). NOTE: this manifest
+  # deliberately ships an args-tuned revision AHEAD of the image tag (see
+  # comment above) — BEHIND here means the image tag moved and the tuned
+  # revision needs re-basing onto it, not just a pin bump.
+  upstream:
+    kind: dockerhub
+    repo: rhasspy/wyoming-whisper
   description: Wyoming-protocol faster-whisper speech-to-text engine. Internal Pine voice-assistant stack member — turns speech captured by a PineVoice satellite into text for Home Assistant Assist.
   category: home
 
diff --git a/scripts/check-upstream-releases.py b/scripts/check-upstream-releases.py
index 6005f0ac..8ee47dfa 100755
--- a/scripts/check-upstream-releases.py
+++ b/scripts/check-upstream-releases.py
@@ -39,6 +39,7 @@ import os
 import re
 import sys
 import urllib.error
+import urllib.parse
 import urllib.request
 from dataclasses import dataclass, field
 from pathlib import Path
@@ -191,7 +192,50 @@ def _highest(tags: list[str], current: str = "") -> str:
     return max(ranked)[1]
 
 
-FETCHERS = {"github": latest_github, "dockerhub": latest_dockerhub}
+def latest_gitlab(project: str, current: str = "") -> str:
+    """Newest release tag for a GitLab `group/project`.
+
+    Some projects publish releases only on GitLab with no GitHub mirror
+    (bark lives at ark-bitcoin/bark and nowhere else). GitLab release tags
+    sometimes carry the project name as a prefix (`bark-0.6.2`); strip it so
+    version ordering can see the number.
+    """
+    esc = urllib.parse.quote(project, safe="")
+    releases = http_json(
+        f"https://gitlab.com/api/v4/projects/{esc}/releases?per_page=100"
+    )
+    tags = [str(r["tag_name"]) for r in releases]
+    prefix = project.rsplit("/", 1)[-1].lower() + "-"
+    tags = [t[len(prefix):] if t.lower().startswith(prefix) else t for t in tags]
+    return _highest(tags, current)
+
+
+def latest_ghcr(repo: str, current: str = "") -> str:
+    """Newest version-like tag on GitHub's container registry.
+
+    Some images exist only on ghcr.io (immich-app/postgres publishes there
+    and nowhere else), so neither the GitHub-release nor the Docker Hub
+    fetcher can see them. Anonymous pull token first, then the tag list —
+    the same handshake any `docker pull ghcr.io/...` performs.
+    """
+    token = http_json(
+        f"https://ghcr.io/token?scope=repository:{repo}:pull&service=ghcr.io"
+    )["token"]
+    req = urllib.request.Request(
+        f"https://ghcr.io/v2/{repo}/tags/list",
+        headers={"User-Agent": USER_AGENT, "Authorization": f"Bearer {token}"},
+    )
+    with urllib.request.urlopen(req, timeout=TIMEOUT) as res:  # noqa: S310
+        tags = [str(t) for t in json.loads(res.read().decode()).get("tags", [])]
+    return _highest(tags, current)
+
+
+FETCHERS = {
+    "github": latest_github,
+    "dockerhub": latest_dockerhub,
+    "gitlab": latest_gitlab,
+    "ghcr": latest_ghcr,
+}
 
 
 # ── Manifest reading ───────────────────────────────────────────────────────