diff --git a/stats/known_apks.txt b/stats/known_apks.txt
index 9dc563d950..9bd5656038 100644
--- a/stats/known_apks.txt
+++ b/stats/known_apks.txt
@@ -3433,6 +3433,7 @@ org.mozilla.mozstumbler_34.apk org.mozilla.mozstumbler 2014-04-12
 org.mozilla.mozstumbler_35.apk org.mozilla.mozstumbler 2014-05-02
 org.mozilla.mozstumbler_36.apk org.mozilla.mozstumbler 2014-05-15
 org.mozilla.mozstumbler_39.apk org.mozilla.mozstumbler 2014-05-17
+org.mozilla.mozstumbler_40.apk org.mozilla.mozstumbler 2014-05-28
 org.mult.daap_30.apk org.mult.daap 2011-01-27
 org.mult.daap_39.apk org.mult.daap 2012-01-19
 org.mult.daap_40.apk org.mult.daap 2012-02-04