Added tag 1.21.4-1 for changeset 17a171e584f6
diff --git a/.hgtags b/.hgtags
index 25a652b..63ed6e7 100644
--- a/.hgtags
+++ b/.hgtags
@@ -107,3 +107,4 @@
 eafbcdf899b6f31301f0b695f8c83a9b20bdf72c 1.21.1-1
 1d73c0717d407218a640098bd15048194ad88ab8 1.21.2-1
 74d0051c94422317dc30a6dd32ca3bf84b54d294 1.21.3-1
+17a171e584f694b2edabd6287e38613da667fabd 1.21.4-1