diff --git a/.hgtags b/.hgtags
index 81ae431..575ae12 100644
--- a/.hgtags
+++ b/.hgtags
@@ -207,3 +207,4 @@
 fc10f7b5cb1305fb930f8ac40b46882d0828d61e release-0.7.18
 9dba9779e37e5969a2d408c792084fd7acfec062 release-0.7.19
 61838d1bcbddc7bc4dd9f30d535573a6fddca8f9 release-0.7.20
+5f665d0fa6a5f6e748157f2ccbc445b2db8125d0 release-0.7.21