diff --git a/.hgtags b/.hgtags
index 7fb5dcffee..99e20af9d9 100644
--- a/.hgtags
+++ b/.hgtags
@@ -1 +1,2 @@
 e63ec288efd41bbc78a56325fb3bb812c0275360 6.4.0
+e126afc009c547fe427da2bcf82818d445990b3f 6.6.0