diff --git a/.hgtags b/.hgtags
--- a/.hgtags
+++ b/.hgtags
@@ -271,3 +271,4 @@ 27055614b68538576fb0439007009acf93fe0a49
 26c57e7a0890b96e2c473b394de380d6753c9230 6.6
 71bd09bebbe36a09569cbfb388f371433360056b 6.6.1
 136902b3a95db38854ebaf5198a627641065c2ea 6.6.2
+3fd1efb3ad124e6686c0fb66e6943cd8aeea5681 6.6.3