diff --git a/.hgtags b/.hgtags
index a92691fbe1..5d7524f859 100644
--- a/.hgtags
+++ b/.hgtags
@@ -18,3 +18,4 @@ e3be090ae5171a2430ae8374c123b7bba22662bb 5.6.0
 5bf7f5bafb9cef56c9e72ead15dc2637c19a0819 5.8.0
 68edcbd53832d64cff93cf1a06fd9e6e5d716b19 6.0.0
 012191b521a92020e3acd4f0e9c5d2cb5a619244 6.2.0
+29a42000ed380fd805b23d767c30942b76382357 6.4.0