diff --git a/.hgtags b/.hgtags
index 8fa764bd9..d030335b3 100644
--- a/.hgtags
+++ b/.hgtags
@@ -158,3 +158,4 @@ f461a49b6c747e0b67f721f2be172902afea5528 release-0.5.23
 ea64684856f5dccc9fa1d518371679b1373550dc release-0.5.28
 b0bbf0436b78f643b84befc6fde898ddb32a11d4 release-0.5.29
 75efe17d7af1adcbd7a5e6ca985801f35800664b release-0.5.30
+78bfaf37dc40578b06b1c0638ed6aaf2634d6fb7 release-0.5.31