diff --git a/stats/known_apks.txt b/stats/known_apks.txt
index 73bc5b51c5..3bd9de5a57 100644
--- a/stats/known_apks.txt
+++ b/stats/known_apks.txt
@@ -2505,6 +2505,7 @@ org.sufficientlysecure.keychain_21100.apk org.sufficientlysecure.keychain 2013-0
 org.sufficientlysecure.localcalendar_1.apk org.sufficientlysecure.localcalendar 2013-03-16
 org.sufficientlysecure.localcalendar_2.apk org.sufficientlysecure.localcalendar 2013-04-16
 org.sufficientlysecure.localcalendar_3.apk org.sufficientlysecure.localcalendar 2013-07-01
+org.sufficientlysecure.localcalendar_4.apk org.sufficientlysecure.localcalendar 2013-10-19
 org.sufficientlysecure.viewer.fontpack_2100.apk org.sufficientlysecure.viewer.fontpack 2013-08-15
 org.sufficientlysecure.viewer_2100.apk org.sufficientlysecure.viewer 2013-07-04
 org.sufficientlysecure.viewer_2200.apk org.sufficientlysecure.viewer 2013-08-15