diff --git a/.hgtags b/.hgtags
index f11d23c..25b201a 100644
--- a/.hgtags
+++ b/.hgtags
@@ -72,3 +72,4 @@
 425af804d968f30eeff01e33b808bc2e8c467f2c release-0.3.18
 ebc68d8ca4962fe3531b7e13444f7ac4395d9c6e release-0.3.19
 9262f520ce214d3d5fd7c842891519336ef85ca6 release-0.3.20
+869b6444d2341a587183859d4df736c7f3381169 release-0.3.21