diff --git a/.hgtags b/.hgtags
index 8f09c35b43..3efdb831ce 100644
--- a/.hgtags
+++ b/.hgtags
@@ -2,3 +2,4 @@ b4a4ebbe0d7b6c8d9ed33702e2dcae8db558306d 3.2.0
 0c2ae3ee172dfa931b830df2c6ef3fbe189fb217 3.4.0
 d43edfba0cbfe06bb03c2a6470a52336567375a7 3.6.0
 a013264fd6cf18c98a2d06b8220e71dba8543f11 3.8.0
+0297369acf0bb36aee5c395068c6b71879f1daae 4.0.0