diff --git a/.hgtags b/.hgtags
--- a/.hgtags
+++ b/.hgtags
@@ -66,3 +66,4 @@ 3a815eeb1b1efa340dda9b81a8da3cf24a7d605b
 8841da3680fba841e5a54ebccd8ca56c078f7553 v4.19.2
 4b0dec7fd80b1ca38e5073e5e562a5a450f73669 v4.19.3
 1485aa75ffe1b1ec48352dce7b7492d92f85e95f v4.20.0
+5b740274011766ef2f73803cc196d081e1e7f1d4 v4.20.1