diff --git a/flow/util/uploadMetadata.py b/flow/util/uploadMetadata.py
index 9f8dc63fc3..3a0d7f6ce9 100755
--- a/flow/util/uploadMetadata.py
+++ b/flow/util/uploadMetadata.py
@@ -48,6 +48,7 @@
 parser.add_argument(
     "--pubsubCred", type=str, help="Service account credentials file for Pub/Sub"
 )
+parser.add_argument("--runID", type=str, help="Unique identifier for this CI run")
 # --- END PUBSUB args ---
 
 # Parse the arguments
@@ -209,6 +210,7 @@ def publish_to_pubsub(
         "change_branch": args.changeBranch,
         "commit_sha": args.commitSHA,
         "jenkins_url": args.jenkinsURL,
+        "run_id": args.runID,
         "rules": rules,
     }