diff --git a/.hgtags b/.hgtags
index 1b23417f6f1..48ff089e8fe 100644
--- a/.hgtags
+++ b/.hgtags
@@ -45,3 +45,4 @@ e4f05aa7e8b6c3dc5ae04b1d3c11fcf81691d905 v2.1c2
 3cfc3951b7012bb015ecd37c2f9d390354852e53 v2.2a3
 cdbf933b0494b161be7c66862a77607a753b6f2b v2.3c1
 cb95b6bc0d633a598bf61b9897c880a684a2eb5c v2.3c2
+691a4d978dcffae659e9b3e969d5d256cf413987 v2.4a1