diff --git a/discord/enums.py b/discord/enums.py
index 8aacbc67b..700b913dc 100644
--- a/discord/enums.py
+++ b/discord/enums.py
@@ -482,6 +482,7 @@ class UserFlags(Enum):
     discord_certified_moderator = 262144
     bot_http_interactions = 524288
     spammer = 1048576
+    active_developer = 4194304
 
 
 class ActivityType(Enum):
diff --git a/discord/flags.py b/discord/flags.py
index 348b46c5e..f2ca6a904 100644
--- a/discord/flags.py
+++ b/discord/flags.py
@@ -575,6 +575,14 @@ class PublicUserFlags(BaseFlags):
         """
         return UserFlags.spammer.value
 
+    @flag_value
+    def active_developer(self):
+        """:class:`bool`: Returns ``True`` if the user is an active developer.
+
+        .. versionadded:: 2.1
+        """
+        return UserFlags.active_developer.value
+
     def all(self) -> List[UserFlags]:
         """List[:class:`UserFlags`]: Returns all public flags the user has."""
         return [public_flag for public_flag in UserFlags if self._has_flag(public_flag.value)]