--- a/mercurial/upgrade_utils/actions.py	Fri Apr 16 00:16:43 2021 +0200
+++ b/mercurial/upgrade_utils/actions.py	Wed May 19 13:14:59 2021 +0200
@@ -982,6 +982,7 @@
         requirements.SHARESAFE_REQUIREMENT,
         requirements.REVLOGV2_REQUIREMENT,
         requirements.CHANGELOGV2_REQUIREMENT,
+        requirements.DIRSTATE_V2_REQUIREMENT,
     }
     for name in compression.compengines:
         engine = compression.compengines[name]