diff --git a/.hgtags b/.hgtags
index 07ab43b..23d043a 100644
--- a/.hgtags
+++ b/.hgtags
@@ -18,3 +18,4 @@ a50090ca6e6a5f01122a9fbabc1ad6775cba5057 mmsource-1.3d
 c5e10372b1d4d50950aca7d112e0324000d0e6cd mmsource-1.7.0
 a0e24af92af0a4523e5e7dd9b658f1204ce3fe2d mmsource-1.7.1
 0133b1bed4077accf7c61cbc79d3906eaf33cd45 mmsource-1.8.0
+54b3d34a06ac3a272ecce2d02e8086788b5512dd mmsource-1.9.0