diff --git a/.hgtags b/.hgtags
index e77e94baae..b45402775e 100644
--- a/.hgtags
+++ b/.hgtags
@@ -2717,3 +2717,4 @@ cd971e951b0626c253059d8e25859032560920a6 v7-4b-009
 d96f16667cc48d89c380fae29d86286b20040d5b v7-4b-015
 ba37e955913e85700677b89a720c6e5fc8d23cc3 v7-4b-016
 8c42772f05438e9f06200bca731cf301097be8ea v7-4b-017
+7ed1ec814dafe8109a2f34302174267d31bbc924 v7-4b-018