diff --git a/.gitea/workflows/sync.yml b/.gitea/workflows/sync.yml
index e3cede6..f4f63dc 100644
--- a/.gitea/workflows/sync.yml
+++ b/.gitea/workflows/sync.yml
@@ -12,58 +12,7 @@ jobs:
       - uses: actions/checkout@v3
 
       - name: Fetch and merge upstream files
-        run: |
-          python3 << 'PYEOF'
-          import urllib.request
-          import os
-
-          files = {
-              "blacklist": "https://raw.githubusercontent.com/Cleanuparr/Cleanuparr/main/blacklist",
-              "blacklist_permissive": "https://raw.githubusercontent.com/Cleanuparr/Cleanuparr/main/blacklist_permissive",
-              "whitelist": "https://raw.githubusercontent.com/Cleanuparr/Cleanuparr/main/whitelist",
-              "whitelist_with_subtitles": "https://raw.githubusercontent.com/Cleanuparr/Cleanuparr/main/whitelist_with_subtitles",
-          }
-
-          def merge_blocklist(filename, url):
-              prev_file = f"{filename}.prev"
-
-              # Fetch new upstream
-              with urllib.request.urlopen(url) as r:
-                  upstream_new = set(line.strip() for line in r.read().decode().splitlines() if line.strip())
-
-              # Read previous upstream (empty set if first run)
-              try:
-                  with open(prev_file) as f:
-                      upstream_prev = set(line.strip() for line in f if line.strip())
-              except FileNotFoundError:
-                  upstream_prev = upstream_new.copy()
-
-              # Read current local file
-              try:
-                  with open(filename) as f:
-                      local = set(line.strip() for line in f if line.strip())
-              except FileNotFoundError:
-                  local = set()
-
-              # Three-way merge
-              custom = local - upstream_prev       # your additions
-              result = upstream_new | custom        # new upstream + your custom entries
-
-              print(f"[{filename}] Custom preserved: {sorted(custom)}")
-              print(f"[{filename}] Upstream added: {sorted(upstream_new - upstream_prev)}")
-              print(f"[{filename}] Upstream removed: {sorted(upstream_prev - upstream_new)}")
-
-              # Write merged result sorted
-              with open(filename, "w") as f:
-                  f.write("\n".join(sorted(result)) + "\n")
-
-              # Store new upstream as prev for next run
-              with open(prev_file, "w") as f:
-                  f.write("\n".join(sorted(upstream_new)) + "\n")
-
-          for filename, url in files.items():
-              merge_blocklist(filename, url)
-          PYEOF
+        run: python3 scripts/merge_blocklists.py
 
       - name: Commit and push if changed
         run: |
@@ -71,15 +20,4 @@ jobs:
           git config user.email "actions@gitea"
           git add .
           git diff --staged --quiet || git commit -m "Sync blocklists from upstream"
-          git push
-```
-
-**Step 4 — Trigger manual run**
-
-Go to the Actions tab in your repo and trigger `workflow_dispatch` to verify the first run works and the `.prev` files are created.
-
-**Step 5 — Update Cleanuparr**
-
-Point Cleanuparr's Malware Blocker and Blacklist Sync at your Gitea raw URL:
-```
-https://git.hisp.no/arr/blocklists/raw/branch/main/blacklist_permissive
\ No newline at end of file
+          git push
\ No newline at end of file