diff --git a/mozilla/calendar/locales/all-locales b/mozilla/calendar/locales/all-locales
index 51e7b7c2804..e6b06224f7d 100644
--- a/mozilla/calendar/locales/all-locales
+++ b/mozilla/calendar/locales/all-locales
@@ -25,4 +25,5 @@ sk
 sl
 sv-SE
 tr
+uk
 zh-CN
diff --git a/mozilla/calendar/locales/shipped-locales b/mozilla/calendar/locales/shipped-locales
index d2c784ce9c7..59b7b9f3c00 100644
--- a/mozilla/calendar/locales/shipped-locales
+++ b/mozilla/calendar/locales/shipped-locales
@@ -24,4 +24,5 @@ sk
 sl
 sv-SE
 tr
+uk
 zh-CN