diff --git a/libretranslate/locales/cs/LC_MESSAGES/messages.po b/libretranslate/locales/cs/LC_MESSAGES/messages.po
index 7fc761e..6abb3e0 100644
--- a/libretranslate/locales/cs/LC_MESSAGES/messages.po
+++ b/libretranslate/locales/cs/LC_MESSAGES/messages.po
@@ -9,15 +9,16 @@ msgstr ""
 "Project-Id-Version: LibreTranslate 1.3.9\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
 "POT-Creation-Date: 2025-04-18 14:43-0400\n"
-"PO-Revision-Date: 2024-01-23 14:01+0000\n"
-"Last-Translator: Michal Čihař <michal@weblate.org>\n"
+"PO-Revision-Date: 2025-04-25 07:48+0000\n"
+"Last-Translator: slrslr <adm@prnet.info>\n"
+"Language-Team: Czech <https://hosted.weblate.org/projects/libretranslate/app/"
+"cs/>\n"
 "Language: cs\n"
-"Language-Team: Czech "
-"<https://hosted.weblate.org/projects/libretranslate/app/cs/>\n"
-"Plural-Forms: nplurals=3; plural=(n==1) ? 0 : (n>=2 && n<=4) ? 1 : 2;\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=utf-8\n"
 "Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=3; plural=((n==1) ? 0 : (n>=2 && n<=4) ? 1 : 2);\n"
+"X-Generator: Weblate 5.11.1-dev\n"
 "Generated-By: Babel 2.12.1\n"
 
 #: libretranslate/app.py:93
@@ -260,7 +261,7 @@ msgstr "Portugalština"
 
 #: libretranslate/locales/.langs.py:34
 msgid "Portuguese (Brazil)"
-msgstr ""
+msgstr "Portugalština (Brazílie)"
 
 #: libretranslate/locales/.langs.py:35
 msgid "Romanian"
@@ -308,15 +309,15 @@ msgstr "Urdu"
 
 #: libretranslate/locales/.langs.py:46
 msgid "Serbian"
-msgstr ""
+msgstr "Srbština"
 
 #: libretranslate/locales/.langs.py:47
 msgid "Ukrainian"
-msgstr ""
+msgstr "Ukrajinština"
 
 #: libretranslate/locales/.langs.py:48
 msgid "Vietnamese"
-msgstr ""
+msgstr "Vietnamština"
 
 #: libretranslate/locales/.swag.py:1
 msgid "Retrieve list of supported languages"
@@ -639,6 +640,8 @@ msgid ""
 "Due to bot abuse, translation requests are temporarily limited to users "
 "with a valid API key. Sorry for the inconvenience!"
 msgstr ""
+"Vzhledem ke zneužití roboty, jsou požadavky na překlad dočasně omezeny na "
+"uživatele s platným klíčem API. Omlouváme se za nepříjemnost!"
 
 #: libretranslate/templates/index.html:182
 msgid "Translation API"
@@ -770,4 +773,3 @@ msgstr "%(libretranslate)s přispěvateli"
 
 #~ msgid "Galician"
 #~ msgstr ""
-