diff --git a/.hgtags b/.hgtags
index dd8f6943af..18f7763e3c 100644
--- a/.hgtags
+++ b/.hgtags
@@ -16,3 +16,4 @@ c9a20a9ab9833b4dec50884ab524d3dd331395c6 3.8.0
 4a507c55113e94fed4f23aeb299c354ab19f451f 4.0.0
 d26f28ad5629c320e6cb88caac8b28c7e335372b 4.2.0
 6ee112692f6ceb07547622c5c974e4f81ee14683 4.4.0
+15a64f104f322d0827d44773911d4e0a9aebba5f 4.6.0