diff --git a/calendar/resources/content/sunbird.png b/calendar/resources/content/sunbird.png
index 8de68d08aab..0e2c920fa9d 100644
Binary files a/calendar/resources/content/sunbird.png and b/calendar/resources/content/sunbird.png differ
diff --git a/calendar/resources/content/sunbird_small.png b/calendar/resources/content/sunbird_small.png
index c3c29e921b0..2fbd6380070 100644
Binary files a/calendar/resources/content/sunbird_small.png and b/calendar/resources/content/sunbird_small.png differ