diff --git a/.hgtags b/.hgtags
--- a/.hgtags
+++ b/.hgtags
@@ -50,3 +50,4 @@ 4b34ce0d2c3c10510626b3b65044939bb7a2cddf
 14502561d22e6b70613674cd675ae9a604b7989f v4.15.1
 4aaa40b605b01af78a9f6882eca561c54b525ef0 v4.15.2
 797744642eca86640ed20bef2cd77445780abaec v4.16.0
+6c3452c7c25ed35ff269690929e11960ed6ad7d3 v4.16.1