diff --git a/.hgtags b/.hgtags
index 2d7ca9b413e18f..2bfee49a436732 100644
--- a/.hgtags
+++ b/.hgtags
@@ -122,3 +122,4 @@ c3896275c0f61b2510a6c7e6c458a750359a91b8 v3.3.3
 9265a2168e2cb2a84785d8717792acc661e6b692 v3.4.0a2
 dd9cdf90a5073510877e9dd5112f8e6cf20d5e89 v3.4.0a3
 e245b0d7209bb6d0e19316e1e2af1aa9c2139104 v3.4.0a4
+3405dc9a6afaa0a06dd1f6f182ec5c998dce6f5f v3.4.0b1