diff --git a/src/pretix/locale/cs/LC_MESSAGES/djangojs.po b/src/pretix/locale/cs/LC_MESSAGES/djangojs.po
index 6ed7e6ba8..d16774e25 100644
--- a/src/pretix/locale/cs/LC_MESSAGES/djangojs.po
+++ b/src/pretix/locale/cs/LC_MESSAGES/djangojs.po
@@ -8,14 +8,16 @@ msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2020-11-27 17:32+0000\n"
-"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
-"Last-Translator: Automatically generated\n"
-"Language-Team: none\n"
+"PO-Revision-Date: 2020-12-14 10:00+0000\n"
+"Last-Translator: Ondřej Sokol <osokol@treesoft.cz>\n"
+"Language-Team: Czech <https://translate.pretix.eu/projects/pretix/pretix-js/"
+"cs/>\n"
 "Language: cs\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 3.10.3\n"
 
 #: pretix/plugins/banktransfer/static/pretixplugins/banktransfer/ui.js:56
 #: pretix/plugins/banktransfer/static/pretixplugins/banktransfer/ui.js:62
@@ -297,19 +299,19 @@ msgstr ""
 
 #: pretix/static/pretixcontrol/js/ui/question.js:42
 msgid "Others"
-msgstr ""
+msgstr "Další"
 
 #: pretix/static/pretixcontrol/js/ui/question.js:82
 msgid "Count"
-msgstr ""
+msgstr "Počet"
 
 #: pretix/static/pretixcontrol/js/ui/question.js:135
 msgid "Yes"
-msgstr ""
+msgstr "Ano"
 
 #: pretix/static/pretixcontrol/js/ui/question.js:136
 msgid "No"
-msgstr ""
+msgstr "Ne"
 
 #: pretix/static/pretixcontrol/js/ui/subevent.js:111
 msgid "(one more date)"
@@ -361,12 +363,12 @@ msgstr ""
 #: pretix/static/pretixpresale/js/widget/widget.js:17
 msgctxt "widget"
 msgid "Sold out"
-msgstr ""
+msgstr "Vyprodáno"
 
 #: pretix/static/pretixpresale/js/widget/widget.js:18
 msgctxt "widget"
 msgid "Buy"
-msgstr ""
+msgstr "Koupit"
 
 #: pretix/static/pretixpresale/js/widget/widget.js:19
 msgctxt "widget"
@@ -455,62 +457,62 @@ msgstr ""
 #: pretix/static/pretixpresale/js/widget/widget.js:36
 msgctxt "widget"
 msgid "Resume checkout"
-msgstr ""
+msgstr "Obnovit checkout"
 
 #: pretix/static/pretixpresale/js/widget/widget.js:37
 msgctxt "widget"
 msgid "Redeem a voucher"
-msgstr ""
+msgstr "Uplatnit poukázku"
 
 #: pretix/static/pretixpresale/js/widget/widget.js:38
 msgctxt "widget"
 msgid "Redeem"
-msgstr ""
+msgstr "Uplatnit"
 
 #: pretix/static/pretixpresale/js/widget/widget.js:39
 msgctxt "widget"
 msgid "Voucher code"
-msgstr ""
+msgstr "Kód poukázky"
 
 #: pretix/static/pretixpresale/js/widget/widget.js:40
 msgctxt "widget"
 msgid "Close"
-msgstr ""
+msgstr "Zavřít"
 
 #: pretix/static/pretixpresale/js/widget/widget.js:41
 msgctxt "widget"
 msgid "Continue"
-msgstr ""
+msgstr "Pokračovat"
 
 #: pretix/static/pretixpresale/js/widget/widget.js:42
 msgctxt "widget"
 msgid "See variations"
-msgstr ""
+msgstr "Zobrazit možnosti"
 
 #: pretix/static/pretixpresale/js/widget/widget.js:43
 msgctxt "widget"
 msgid "Choose a different event"
-msgstr ""
+msgstr "Vybrat jinou událost"
 
 #: pretix/static/pretixpresale/js/widget/widget.js:44
 msgctxt "widget"
 msgid "Choose a different date"
-msgstr ""
+msgstr "Vybrat jiný datum"
 
 #: pretix/static/pretixpresale/js/widget/widget.js:45
 msgctxt "widget"
 msgid "Back"
-msgstr ""
+msgstr "Zpět"
 
 #: pretix/static/pretixpresale/js/widget/widget.js:46
 msgctxt "widget"
 msgid "Next month"
-msgstr ""
+msgstr "Následující měsíc"
 
 #: pretix/static/pretixpresale/js/widget/widget.js:47
 msgctxt "widget"
 msgid "Previous month"
-msgstr ""
+msgstr "Předchozí měsíc"
 
 #: pretix/static/pretixpresale/js/widget/widget.js:48
 msgctxt "widget"
@@ -529,76 +531,76 @@ msgstr ""
 
 #: pretix/static/pretixpresale/js/widget/widget.js:52
 msgid "Mo"
-msgstr ""
+msgstr "Po"
 
 #: pretix/static/pretixpresale/js/widget/widget.js:53
 msgid "Tu"
-msgstr ""
+msgstr "Út"
 
 #: pretix/static/pretixpresale/js/widget/widget.js:54
 msgid "We"
-msgstr ""
+msgstr "St"
 
 #: pretix/static/pretixpresale/js/widget/widget.js:55
 msgid "Th"
-msgstr ""
+msgstr "Čt"
 
 #: pretix/static/pretixpresale/js/widget/widget.js:56
 msgid "Fr"
-msgstr ""
+msgstr "Pá"
 
 #: pretix/static/pretixpresale/js/widget/widget.js:57
 msgid "Sa"
-msgstr ""
+msgstr "So"
 
 #: pretix/static/pretixpresale/js/widget/widget.js:58
 msgid "Su"
-msgstr ""
+msgstr "Ne"
 
 #: pretix/static/pretixpresale/js/widget/widget.js:61
 msgid "January"
-msgstr ""
+msgstr "Leden"
 
 #: pretix/static/pretixpresale/js/widget/widget.js:62
 msgid "February"
-msgstr ""
+msgstr "Únor"
 
 #: pretix/static/pretixpresale/js/widget/widget.js:63
 msgid "March"
-msgstr ""
+msgstr "Březen"
 
 #: pretix/static/pretixpresale/js/widget/widget.js:64
 msgid "April"
-msgstr ""
+msgstr "Duben"
 
 #: pretix/static/pretixpresale/js/widget/widget.js:65
 msgid "May"
-msgstr ""
+msgstr "Květen"
 
 #: pretix/static/pretixpresale/js/widget/widget.js:66
 msgid "June"
-msgstr ""
+msgstr "červen"
 
 #: pretix/static/pretixpresale/js/widget/widget.js:67
 msgid "July"
-msgstr ""
+msgstr "Červenec"
 
 #: pretix/static/pretixpresale/js/widget/widget.js:68
 msgid "August"
-msgstr ""
+msgstr "Srpen"
 
 #: pretix/static/pretixpresale/js/widget/widget.js:69
 msgid "September"
-msgstr ""
+msgstr "Září"
 
 #: pretix/static/pretixpresale/js/widget/widget.js:70
 msgid "October"
-msgstr ""
+msgstr "Říjen"
 
 #: pretix/static/pretixpresale/js/widget/widget.js:71
 msgid "November"
-msgstr ""
+msgstr "Listopad"
 
 #: pretix/static/pretixpresale/js/widget/widget.js:72
 msgid "December"
-msgstr ""
+msgstr "Prosinec"