diff --git a/.hgtags b/.hgtags
index b125712..bd6d904 100644
--- a/.hgtags
+++ b/.hgtags
@@ -148,3 +148,4 @@
 d1ffcf84ea1244f659145c36ff28de6fcdf528b2 release-0.5.17
 796a6e30ca9d29504195c10210dbc8deced0ae83 release-0.5.18
 1f81c711d2a039e1f93b9b515065a2235372d455 release-0.5.19
+8e8f6082654aedb4438c8fca408cfc316c7c5a2a release-0.5.20