diff --git a/stats/known_apks.txt b/stats/known_apks.txt
index 919eb5b350..4697e637b7 100644
--- a/stats/known_apks.txt
+++ b/stats/known_apks.txt
@@ -1641,6 +1641,7 @@ net.fred.feedex_17.apk net.fred.feedex 2013-08-03
 net.fred.feedex_18.apk net.fred.feedex 2013-08-15
 net.fred.feedex_19.apk net.fred.feedex 2013-08-22
 net.fred.feedex_20.apk net.fred.feedex 2013-08-28
+net.fred.feedex_21.apk net.fred.feedex 2013-09-08
 net.fred.feedex_9.apk net.fred.feedex 2013-05-29
 net.gaast.giggity_16.apk net.gaast.giggity 2012-01-28
 net.gaast.giggity_21.apk net.gaast.giggity 2012-11-08