diff --git a/.hgtags b/.hgtags
index 35854b547a..c776236934 100644
--- a/.hgtags
+++ b/.hgtags
@@ -14,3 +14,4 @@ adad4c039e95428fc3dc357251dbd782264e8a1a 5.2.0
 ea9261c209bcd28dafd29205c58f2199596eef50 5.8.0
 5defabd519cf5e50cde2f4779d889abe22f28b75 6.0.0
 5e4ce2cb6dd127fc4b76454e95cccbf4ee88f090 6.2.0
+6701a829ded00feb53d7be272c890dc51d80ad07 6.4.0