diff --git a/.claude/skills/deploy-massprice/SKILL.md b/.claude/skills/deploy-massprice/SKILL.md
index e5902c3..02bb351 100644
--- a/.claude/skills/deploy-massprice/SKILL.md
+++ b/.claude/skills/deploy-massprice/SKILL.md
@@ -7,7 +7,9 @@ description: Use when deploying MassPrice Scheduler, restarting the massprice co
 
 **Target:** Unraid server, container path `/mnt/user/appdata/massprice`,
 built from `Dockerfile`/`docker-compose.yml` in this repo. Container name
-`massprice`, port `5056` (overridable via `HOST_PORT`) → container port
+`massprice`, port `5057` (overridable via `HOST_PORT` — `5056` was
+already taken by `arr-summary`, despite its own docs saying `5055`) →
+container port
 `5000`.
 
 **Deploy mechanism: Forgejo push-to-deploy**, the same pattern as
diff --git a/.env.example b/.env.example
index fe75326..e218cbf 100644
--- a/.env.example
+++ b/.env.example
@@ -18,8 +18,8 @@ MASSPRICE_USERNAME=your_tcgplayer_email@example.com
 MASSPRICE_PASSWORD=your_tcgplayer_password
 
 # ── Host port (what port Unraid exposes) ────────────────────────────
-# Default is 5056 (arr-summary already uses 5055) — change if in use
-HOST_PORT=5056
+# Default is 5057 (arr-summary already uses 5056) — change if in use
+HOST_PORT=5057
 
 # ── Timezone ─────────────────────────────────────────────────────────
 # Controls what "6:00 AM" means for your schedules
diff --git a/docker-compose.yml b/docker-compose.yml
index ae95679..e11d996 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -6,7 +6,7 @@ services:
     # and causes renderer crashes — this is the standard mitigation.
     shm_size: "1gb"
     ports:
-      - "${HOST_PORT:-5056}:5000"
+      - "${HOST_PORT:-5057}:5000"
     volumes:
       # Schedules, run history, the rule-name cache, and the saved
       # MassPrice login session must outlive `up -d --build`, which