diff --git a/.hgtags b/.hgtags
index d387fa80..538f85d2 100644
--- a/.hgtags
+++ b/.hgtags
@@ -112,3 +112,4 @@ da20333604ac553eb8e44934cefc39e73079f7fe release-relational-query-0_7_0_0
 0000000000000000000000000000000000000000 release-relational-query-0_7_0_0
 6f71a6dc46e6d5a7f143f31cfa374fb32d0e6e27 release-relational-query-0_7_0_0
 62277395256d1d7c331430e2a4364c8cb5a1da03 release-relational-query-0_7_0_1
+404ab8088006f59fc9eb5cb79615c130e11464ae release-relational-query-HDBC-0_4_0_0