diff --git a/.hgtags b/.hgtags
index a9a6d2de2a..2dba63693d 100644
--- a/.hgtags
+++ b/.hgtags
@@ -14,3 +14,4 @@ b36076424542460b028304527e52a664acee34cb 3.2.0
 db38fd97df4741f543c64c2371d27dcc12ca175e 3.6.0
 2d47260fb405bc5b2be67cd70ba9b9c1260cc355 3.8.0
 d0145d5733d77a0ac7cdd2797abd85ad7f78ad34 4.0.0
+eab1bdb9e0326314b762ddabe495eb932dce7c5f 4.2.0