diff --git a/.hgtags b/.hgtags
index a55e874..6775a22 100644
--- a/.hgtags
+++ b/.hgtags
@@ -12,3 +12,4 @@ df3dc7358b79abdd7075ba78b58fff1da7fa3fde 0.5
 845b75d72ec18f3fbf2a74f1a1ec3cf54ca4a304 v0.7
 599b774a4b6ac81b44971ac1a319fc41c04e3589 v2.3
 1fedd27cb5d8c69a998c8278463c8e8abd1f371a v2.3.0
+77b8809852f4a8599200c9a538f94319ca5a4ff4 v.2.3.1