diff --git a/src/sentry/incidents/endpoints/serializers/utils.py b/src/sentry/incidents/endpoints/serializers/utils.py
index 54c144066bcc92..40756138cef924 100644
--- a/src/sentry/incidents/endpoints/serializers/utils.py
+++ b/src/sentry/incidents/endpoints/serializers/utils.py
@@ -1,4 +1,4 @@
-OFFSET = 10**9
+OFFSET = 10**10
 
 
 def get_fake_id_from_object_id(obj_id: int) -> int:
diff --git a/tests/sentry/incidents/serializers/test_workflow_engine_detector.py b/tests/sentry/incidents/serializers/test_workflow_engine_detector.py
index 72f574b6f55328..2ce14631b357ec 100644
--- a/tests/sentry/incidents/serializers/test_workflow_engine_detector.py
+++ b/tests/sentry/incidents/serializers/test_workflow_engine_detector.py
@@ -5,6 +5,7 @@
 from django.core.cache import cache
 
 from sentry.api.serializers import serialize
+from sentry.incidents.endpoints.serializers.utils import OFFSET
 from sentry.incidents.endpoints.serializers.workflow_engine_detector import (
     WorkflowEngineDetectorSerializer,
 )
@@ -22,8 +23,6 @@
     TestWorkflowEngineSerializer,
 )
 
-OFFSET = 10**9
-
 
 class TestDetectorSerializer(TestWorkflowEngineSerializer):
     def setUp(self) -> None: