diff --git a/.hgtags b/.hgtags
index ea345c9..ecf429e 100644
--- a/.hgtags
+++ b/.hgtags
@@ -461,3 +461,4 @@
 da571b8eaf8f30f36c43b3c9b25e01e31f47149c release-1.19.9
 ffcbb9980ee2bad27b4d7b1cd680b14ff47b29aa release-1.19.10
 df34dcc9ac072ffd0945e5a1f3eb7987e8275375 release-1.21.0
+a68ac0677f8553b1f84d357bc9da114731ab5f47 release-1.21.1