diff --git a/job_runner.py b/job_runner.py
index 6be5036b..6df7bc4b 100644
--- a/job_runner.py
+++ b/job_runner.py
@@ -8,6 +8,7 @@ from typing import List, Optional
 
 import arrow
 import newrelic.agent
+from sqlalchemy.exc import IntegrityError
 from sqlalchemy.orm import Query
 from sqlalchemy.orm.exc import ObjectDeletedError
 from sqlalchemy.sql.expression import or_, and_
@@ -403,4 +404,8 @@ def execute():
 if __name__ == "__main__":
     send_version_event("job_runner")
     while True:
-        execute()
+        try:
+            execute()
+        except IntegrityError:
+            Session.rollback()
+            Session.close()