diff --git a/crowdin.yml b/crowdin.yml
index 3a5e4281834..a1297270a77 100644
--- a/crowdin.yml
+++ b/crowdin.yml
@@ -17,7 +17,9 @@
       "two_letters_code": {
         # map non-two letter codes here, left side is crowdin designation, right side is babel designation
         "en-GB": "en_GB",
-        "en-US": "en_US"
+        "en-US": "en_US",
+        "pt-BR": "pt_BR",
+        "zh-TW": "zh_TW"
       }
     },
     "update_option": "update_as_unapproved"
diff --git a/docs/configuration.md b/docs/configuration.md
index 1f31d74c3e4..47f3a95edf7 100644
--- a/docs/configuration.md
+++ b/docs/configuration.md
@@ -57,7 +57,7 @@ editing the `conf` file in a text editor. Use the examples as reference.
             @endcode</td>
     </tr>
     <tr>
-        <td rowspan="18">Choices</td>
+        <td rowspan="19">Choices</td>
         <td>bg</td>
         <td>Bulgarian</td>
     </tr>
@@ -129,6 +129,10 @@ editing the `conf` file in a text editor. Use the examples as reference.
         <td>zh</td>
         <td>Chinese (Simplified)</td>
     </tr>
+    <tr>
+        <td>zh_TW</td>
+        <td>Chinese (Traditional)</td>
+    </tr>
 </table>
 
 ### sunshine_name
diff --git a/scripts/_locale.py b/scripts/_locale.py
index 84ae3385929..2983dd77dac 100644
--- a/scripts/_locale.py
+++ b/scripts/_locale.py
@@ -42,6 +42,7 @@
     'tr',  # Turkish
     'uk',  # Ukrainian
     'zh',  # Chinese
+    'zh_TW',  # Chinese (Traditional)
 ]
 
 
diff --git a/src/config.cpp b/src/config.cpp
index e97de9f523d..90d752e08b6 100644
--- a/src/config.cpp
+++ b/src/config.cpp
@@ -1251,6 +1251,7 @@ namespace config {
                                                                    "tr"sv,  // Turkish
                                                                    "uk"sv,  // Ukrainian
                                                                    "zh"sv,  // Chinese
+                                                                   "zh_TW"sv,  // Chinese (Traditional)
                                                                  });
 
     std::string log_level_string;
diff --git a/src_assets/common/assets/web/configs/tabs/General.vue b/src_assets/common/assets/web/configs/tabs/General.vue
index d2dc739255f..fa35f237fdd 100644
--- a/src_assets/common/assets/web/configs/tabs/General.vue
+++ b/src_assets/common/assets/web/configs/tabs/General.vue
@@ -49,6 +49,7 @@ function removeCmd(index) {
         <option value="tr">Türkçe (Turkish)</option>
         <option value="uk">Українська (Ukranian)</option>
         <option value="zh">简体中文 (Chinese Simplified)</option>
+        <option value="zh_TW">繁體中文 (Chinese Traditional)</option>
       </select>
       <div class="form-text">{{ $t('config.locale_desc') }}</div>
     </div>