diff --git a/.hgtags b/.hgtags
--- a/.hgtags
+++ b/.hgtags
@@ -1,3 +1,4 @@
 3de6604509d6850db2772ba188a2f8d8cdcd5591 0.1
 b0fc2c3b179f7c235e8845e2a2e0e631fbe65a76 0.2
 075b4bc03fb258e6c67026d5cdb6cf86b122979b 0.3.0
+f15c10bab03dd7dec39be9a27ce04612998ac0fa 0.3.1