diff --git a/.hgtags b/.hgtags
--- a/.hgtags
+++ b/.hgtags
@@ -10,3 +10,4 @@ 27b0354ca2c5ea7b3870156417ce7e04e799bbf7
 fd5f1eb480ec372b49df58b497458de05c30057c v0.8.0
 9c9a11cd15fd094e2b2b65dc51805fd8fd1d2460 v0.8.1
 4cf9a1ee1f107a38e03dbe17c4f2882c43d827c9 v0.9.0
+ef003f7af8f37f760c22dae776f5ff8e1b526deb v0.9.1