diff --git a/ihatemoney/default_settings.py b/ihatemoney/default_settings.py
index 4895ab98..3701f817 100644
--- a/ihatemoney/default_settings.py
+++ b/ihatemoney/default_settings.py
@@ -8,4 +8,4 @@ ACTIVATE_DEMO_PROJECT = True
 ADMIN_PASSWORD = ""
 ALLOW_PUBLIC_PROJECT_CREATION = True
 ACTIVATE_ADMIN_DASHBOARD = False
-SUPPORTED_LANGUAGES = ["en", "fr", "de", "nl", "es_419", "nb_NO", "id"]
+SUPPORTED_LANGUAGES = ['de', 'en', 'es_419', 'fr', 'id', 'nb_NO', 'nl', 'pl', 'ru', 'tr', 'uk', 'zh_Hans']
diff --git a/ihatemoney/translations/cs/LC_MESSAGES/messages.mo b/ihatemoney/translations/cs/LC_MESSAGES/messages.mo
index 58260758..4bcf4578 100644
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diff --git a/ihatemoney/translations/de/LC_MESSAGES/messages.mo b/ihatemoney/translations/de/LC_MESSAGES/messages.mo
index 8cf55064..9432a4df 100644
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diff --git a/ihatemoney/translations/el/LC_MESSAGES/messages.mo b/ihatemoney/translations/el/LC_MESSAGES/messages.mo
index 69086172..0912cb5f 100644
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diff --git a/ihatemoney/translations/es_419/LC_MESSAGES/messages.mo b/ihatemoney/translations/es_419/LC_MESSAGES/messages.mo
index 97e55c96..aa86f771 100644
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diff --git a/ihatemoney/translations/fr/LC_MESSAGES/messages.mo b/ihatemoney/translations/fr/LC_MESSAGES/messages.mo
index 21076f19..5db8b0be 100644
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diff --git a/ihatemoney/translations/id/LC_MESSAGES/messages.mo b/ihatemoney/translations/id/LC_MESSAGES/messages.mo
index ad2962c1..ea423b34 100644
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diff --git a/ihatemoney/translations/it/LC_MESSAGES/messages.mo b/ihatemoney/translations/it/LC_MESSAGES/messages.mo
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index 00000000..5cf1199a
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diff --git a/ihatemoney/translations/nb_NO/LC_MESSAGES/messages.mo b/ihatemoney/translations/nb_NO/LC_MESSAGES/messages.mo
index ae0a3ca3..4d4148d5 100644
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diff --git a/ihatemoney/translations/nl/LC_MESSAGES/messages.mo b/ihatemoney/translations/nl/LC_MESSAGES/messages.mo
index 7ce4bd35..300c5741 100644
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diff --git a/ihatemoney/translations/pl/LC_MESSAGES/messages.mo b/ihatemoney/translations/pl/LC_MESSAGES/messages.mo
new file mode 100644
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diff --git a/ihatemoney/translations/ru/LC_MESSAGES/messages.mo b/ihatemoney/translations/ru/LC_MESSAGES/messages.mo
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index 00000000..ae915f91
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diff --git a/ihatemoney/translations/tr/LC_MESSAGES/messages.mo b/ihatemoney/translations/tr/LC_MESSAGES/messages.mo
index b8383048..0beedeff 100644
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diff --git a/ihatemoney/translations/uk/LC_MESSAGES/messages.mo b/ihatemoney/translations/uk/LC_MESSAGES/messages.mo
index 699828d9..e41098d7 100644
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diff --git a/ihatemoney/translations/zh_HANS-CN/LC_MESSAGES/messages.mo b/ihatemoney/translations/zh_HANS-CN/LC_MESSAGES/messages.mo
index 89f8f302..df17dd69 100644
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