diff --git a/.hgtags b/.hgtags
--- a/.hgtags
+++ b/.hgtags
@@ -13,3 +13,4 @@ 0cf49c29c846fefeb4e1a222e4b1850e9e3eaa62
 702c7e565c56a49c89414e81f28571c8e5b67408 v0.7.8
 c12f4d19c95065f313eefcd45eac9ef507f5fa55 v0.7.9
 558eb7c5028f24a90b5466ed16be13b213ba1fc2 v0.8.0
+a9814a642e11092b243ca01721254a04633a0ffc v0.8.1