diff --git a/.hgtags b/.hgtags
index bbb51180d..af02e06bb 100644
--- a/.hgtags
+++ b/.hgtags
@@ -50,3 +50,4 @@ e5e1746a197f0398356a43fbe2eebac9690f795d 2.1.0
 3c11c5c9776f3c678719161e96cc0a08169c1cb8 2.2.3
 ad9fe504a371ad8eb613052d58f229aa66f53527 2.2.4
 c27a60097767c16a54ae56d9669a77925b213b9b 2.3.0
+acf0e1477fb19a1d35a4e40242b77fa6af32eb17 2.3.1