diff --git a/.hgtags b/.hgtags
index ef9cbf79f..fdfbe2439 100644
--- a/.hgtags
+++ b/.hgtags
@@ -468,3 +468,4 @@ bfbc52374adcbf2f9060afd62de940f6fab3bba5 release-1.21.2
 d986378168fd4d70e0121cabac274c560cca9bdf release-1.21.5
 714eb4b2c09e712fb2572a2164ce2bf67638ccac release-1.21.6
 5da2c0902e8e2aa4534008a582a60c61c135960e release-1.23.0
+a63d0a70afea96813ba6667997bc7d68b5863f0d release-1.23.1