diff --git a/.hgtags b/.hgtags
index 358085a54..c2a4b9819 100644
--- a/.hgtags
+++ b/.hgtags
@@ -436,3 +436,4 @@ f062e43d74fc2578bb100a9e82a953efa1eb9e4e release-1.15.5
 ee551e3f6dba336c0d875e266d7d55385f379b42 release-1.15.8
 d2fd76709909767fc727a5b4affcf1dc9ca488a7 release-1.15.9
 75f5c7f628411c79c7044102049f7ab4f7a246e7 release-1.15.10
+5155d0296a5ef9841f035920527ffdb771076b44 release-1.15.11