diff --git a/.github/workflows/update-locales.yml b/.github/workflows/update-locales.yml
index 6a605f5f64..bfbc330b72 100644
--- a/.github/workflows/update-locales.yml
+++ b/.github/workflows/update-locales.yml
@@ -5,6 +5,7 @@ on:
     branches:
       - main
     paths:
+      - app/src/main/res/values-*/strings.xml
       - app/src/main/res/values/settings.xml
 permissions:
   actions: none
@@ -25,6 +26,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4.1.0
+    - name: Add new locales
+      run: .scripts/new-locales.py
     - name: Update locales
       run: .scripts/locales.py
     - name: Create Pull Request
diff --git a/.scripts/new-locales.py b/.scripts/new-locales.py
new file mode 100755
index 0000000000..757011276e
--- /dev/null
+++ b/.scripts/new-locales.py
@@ -0,0 +1,120 @@
+#!/usr/bin/python3
+
+import glob
+import re
+
+from typing import Iterator, List, Tuple
+
+import requests
+
+MIN_PERCENT = 90
+NOT_LANGS = ("night", "w600dp")
+REPLACE_CODES = {
+    "el": "el-rGR",
+    "id": "in-rID",
+    "ro": "ro-rRO",
+    "zh_Hans": "zh-rCN",
+    "zh_Hant": "zh-rTW",
+}
+STATS_URL = "https://hosted.weblate.org/api/components/catima/catima/statistics/"
+
+
+def get_weblate_langs() -> List[Tuple[str, int]]:
+    r = requests.get(STATS_URL, timeout=5)
+    r.raise_for_status()
+    results = []
+    for lang in r.json()["results"]:
+        if lang["code"] != "en":
+            code = REPLACE_CODES.get(lang["code"], lang["code"]).replace("_", "-r")
+            results.append((code, round(lang["translated_percent"])))
+    return sorted(results)
+
+
+def get_dir_langs() -> List[str]:
+    results = []
+    for d in glob.glob("app/src/main/res/values-*"):
+        code = d.split("-", 1)[1]
+        if code not in NOT_LANGS:
+            results.append(code)
+    return sorted(results)
+
+
+def get_xml_langs() -> List[Tuple[str, bool]]:
+    results = []
+    in_section = False
+    with open("app/src/main/res/values/settings.xml") as fh:
+        for line in fh:
+            if not in_section and 'name="locale_values"' in line:
+                in_section = True
+            elif in_section:
+                if "string-array" in line:
+                    break
+                disabled = "<!--" in line
+                if m := re.search(r">(.*)<", line):
+                    if m[1] != "en":
+                        results.append((m[1], disabled))
+    return sorted(results)
+
+
+def update_xml_langs(langs: List[Tuple[str, bool]]) -> None:
+    lines: List[str] = []
+    in_section = False
+    with open("app/src/main/res/values/settings.xml") as fh:
+        for line in fh:
+            if not in_section and 'name="locale_values"' in line:
+                in_section = True
+            elif in_section:
+                if "string-array" in line:
+                    in_section = False
+                    lines.extend(_lang_lines(langs))
+                else:
+                    continue
+            lines.append(line)
+    with open("app/src/main/res/values/settings.xml", "w") as fh:
+        for line in lines:
+            fh.write(line)
+
+
+def _lang_lines(langs: List[Tuple[str, bool]]) -> Iterator[str]:
+    yield "        <item />\n"
+    for lang, disabled in sorted(langs + [("en", False)]):
+        if disabled:
+            yield f"        <!-- <item>{lang}</item> -->\n"
+        else:
+            yield f"        <item>{lang}</item>\n"
+
+
+def main() -> None:
+    web_langs = get_weblate_langs()
+    dir_langs = get_dir_langs()
+    xml_langs = get_xml_langs()
+
+    web_codes = set(code for code, _ in web_langs)
+    dir_codes = set(dir_langs)
+    xml_codes = set(code for code, _ in xml_langs)
+
+    if diff := web_codes - dir_codes:
+        print(f"WARNING: Weblate codes w/o dir: {diff}")
+    if diff := xml_codes - dir_codes:
+        print(f"WARNING: XML codes w/o dir: {diff}")
+
+    percentages = dict(web_langs)
+    all_langs = xml_langs[:]
+
+    # add new langs as disabled
+    for code in dir_codes - xml_codes:
+        all_langs.append((code, True))
+
+    # enable disabled langs if they are at least MIN_PERCENT translated now
+    updated_langs = sorted(
+        (code, percentages[code] < MIN_PERCENT if disabled else disabled)
+        for code, disabled in all_langs
+    )
+
+    if updated_langs != xml_langs:
+        print("Updating...")
+        update_xml_langs(updated_langs)
+
+
+if __name__ == "__main__":
+    main()