diff --git a/main.py b/main.py
index 73c974e..6c068ec 100644
--- a/main.py
+++ b/main.py
@@ -5,6 +5,7 @@
 helpers, and live service adapters live in dedicated modules.
 """
 
+import json
 import os
 import sys
 import time
diff --git a/scripts/runtime_workflow_heartbeat.py b/scripts/runtime_workflow_heartbeat.py
index d2a5b99..7c46a13 100644
--- a/scripts/runtime_workflow_heartbeat.py
+++ b/scripts/runtime_workflow_heartbeat.py
@@ -88,7 +88,6 @@ def _list_workflow_runs(
     query = urllib.parse.urlencode(
         {
             "branch": branch,
-            "event": "workflow_dispatch",
             "per_page": str(per_page),
         }
     )
@@ -109,7 +108,6 @@ def _list_repository_workflow_runs(
     query = urllib.parse.urlencode(
         {
             "branch": branch,
-            "event": "workflow_dispatch",
             "per_page": str(per_page),
         }
     )