diff --git a/src/sentry/integrations/utils/issue_summary_for_alerts.py b/src/sentry/integrations/utils/issue_summary_for_alerts.py
index 190c7d5a384762..fada419ab218bb 100644
--- a/src/sentry/integrations/utils/issue_summary_for_alerts.py
+++ b/src/sentry/integrations/utils/issue_summary_for_alerts.py
@@ -3,6 +3,7 @@
 from typing import Any
 
 import sentry_sdk
+from django.db import close_old_connections
 
 from sentry import features, options
 from sentry.issues.grouptype import GroupCategory
@@ -15,6 +16,19 @@
 logger = logging.getLogger(__name__)
 
 
+def _get_issue_summary_with_cleanup(
+    group: Group, source: SeerAutomationSource
+) -> tuple[dict[str, Any], int]:
+    """
+    Wrapper for get_issue_summary that ensures database connections are properly closed.
+    This is needed when running in a thread to prevent connection leaks.
+    """
+    try:
+        return get_issue_summary(group, source=source)
+    finally:
+        close_old_connections()
+
+
 def fetch_issue_summary(group: Group) -> dict[str, Any] | None:
     """
     Try to fetch an issue summary with a timeout of 5 seconds.
@@ -52,7 +66,7 @@ def fetch_issue_summary(group: Group) -> dict[str, Any] | None:
         with sentry_sdk.start_span(op="ai_summary.fetch_issue_summary_for_alert"):
             with concurrent.futures.ThreadPoolExecutor() as executor:
                 future = executor.submit(
-                    get_issue_summary, group, source=SeerAutomationSource.ALERT
+                    _get_issue_summary_with_cleanup, group, SeerAutomationSource.ALERT
                 )
                 summary_result, status_code = future.result(timeout=timeout)