diff --git a/sentry_sdk/consts.py b/sentry_sdk/consts.py
index ddb541cbb2..453a785d69 100644
--- a/sentry_sdk/consts.py
+++ b/sentry_sdk/consts.py
@@ -239,6 +239,11 @@ class SPANDATA:
     e.g. the queue name or topic.
     """
 
+    MESSAGING_MESSAGE_ID = "messaging.message.id"
+    """
+    The message's identifier.
+    """
+
     MESSAGING_MESSAGE_RETRY_COUNT = "messaging.message.retry.count"
     """
     Number of retries/attempts to process a message.
diff --git a/sentry_sdk/integrations/celery/__init__.py b/sentry_sdk/integrations/celery/__init__.py
index 85f7108ff0..6d118a6b44 100644
--- a/sentry_sdk/integrations/celery/__init__.py
+++ b/sentry_sdk/integrations/celery/__init__.py
@@ -357,7 +357,7 @@ def _inner(*args, **kwargs):
             ) as span:
                 _set_messaging_destination_name(task, span)
                 with capture_internal_exceptions():
-                    span.set_data("messaging.message.id", task.request.id)
+                    span.set_data(SPANDATA.MESSAGING_MESSAGE_ID, task.request.id)
                 with capture_internal_exceptions():
                     span.set_data(
                         SPANDATA.MESSAGING_MESSAGE_RETRY_COUNT, task.request.retries