diff --git a/.hgtags b/.hgtags
--- a/.hgtags
+++ b/.hgtags
@@ -15,3 +15,5 @@ ca41d544dbdfd2f81bd0304168492a26276aadb6
 2fa16ec5822da0c6fade3dd1ed9b6c0655e5dbbf v0.8.4
 16ba57d8fe2317c49dbd422afd07ab497687aa02 v0.8.5
 53128b6b9a4ddb6ee9554cbb83a082a6d1316b42 v1.0.0rc4
+2cd05c5803ade0f491d697fe75ce417138fe2295 v1.0.0rc1
+0000000000000000000000000000000000000000 v1.0.0rc1