diff --git a/.hgtags b/.hgtags
--- a/.hgtags
+++ b/.hgtags
@@ -63,3 +63,4 @@ 71d8791463e87b64c1a18475de330ee600d37561
 4bd6b75dac1d25c64885d4d49385e5533f21c525 v4.18.2
 12ed92fe57f2e9fc7b71dc0b65e26c2da5c7085f v4.18.3
 ddef396a6567117de531d67d44c739cbbfc3eebb v4.19.0
+c0c65acd73914bf4368222d510afe1161ab8c07c v4.19.1