diff --git a/.hgtags b/.hgtags
index 859add9c50..5ea2c5d853 100644
--- a/.hgtags
+++ b/.hgtags
@@ -1,2 +1,3 @@
 d2c308a903901846cfb89a98aec690df78c00874 6.0.0
 8592046cfb6003267df4f7ada6482d77244031bf 6.2.0
+229aaba36e62a00355df7fc9135e1ccec8ea381c 6.4.0