diff --git a/docling_serve/__main__.py b/docling_serve/__main__.py
index 38b0f7e..b2fa616 100644
--- a/docling_serve/__main__.py
+++ b/docling_serve/__main__.py
@@ -376,6 +376,7 @@ def rq_worker() -> Any:
         results_prefix=docling_serve_settings.eng_rq_results_prefix,
         sub_channel=docling_serve_settings.eng_rq_sub_channel,
         scratch_dir=get_scratch(),
+        results_ttl=docling_serve_settings.eng_rq_results_ttl,
     )
 
     cm_config = DoclingConverterManagerConfig(
diff --git a/docling_serve/orchestrator_factory.py b/docling_serve/orchestrator_factory.py
index 64f4462..514f641 100644
--- a/docling_serve/orchestrator_factory.py
+++ b/docling_serve/orchestrator_factory.py
@@ -202,9 +202,11 @@ async def _store_task_in_redis(self, task: Task) -> None:
 
             data: dict[str, Any] = {
                 "task_id": task.task_id,
-                "task_type": task.task_type.value
-                if hasattr(task.task_type, "value")
-                else str(task.task_type),
+                "task_type": (
+                    task.task_type.value
+                    if hasattr(task.task_type, "value")
+                    else str(task.task_type)
+                ),
                 "task_status": task.task_status.value,
                 "processing_meta": meta,
             }
@@ -312,6 +314,7 @@ class RedisAwareRQOrchestrator(RedisTaskStatusMixin, RQOrchestrator):  # type: i
             results_prefix=docling_serve_settings.eng_rq_results_prefix,
             sub_channel=docling_serve_settings.eng_rq_sub_channel,
             scratch_dir=get_scratch(),
+            results_ttl=docling_serve_settings.eng_rq_results_ttl,
         )
 
         return RedisAwareRQOrchestrator(config=rq_config)
diff --git a/docling_serve/settings.py b/docling_serve/settings.py
index 0ee088a..fd3360c 100644
--- a/docling_serve/settings.py
+++ b/docling_serve/settings.py
@@ -80,6 +80,7 @@ class DoclingServeSettings(BaseSettings):
     eng_rq_redis_url: str = ""
     eng_rq_results_prefix: str = "docling:results"
     eng_rq_sub_channel: str = "docling:updates"
+    eng_rq_results_ttl: int = 3_600 * 4  # 4 hours default
     # KFP engine
     eng_kfp_endpoint: Optional[AnyUrl] = None
     eng_kfp_token: Optional[str] = None
diff --git a/docs/configuration.md b/docs/configuration.md
index 3d4c112..06de940 100644
--- a/docs/configuration.md
+++ b/docs/configuration.md
@@ -98,6 +98,7 @@ The following table describes the options to configure the Docling Serve RQ engi
 | `DOCLING_SERVE_ENG_RQ_REDIS_URL` | (required) | The connection Redis url, e.g. `redis://localhost:6373/` |
 | `DOCLING_SERVE_ENG_RQ_RESULTS_PREFIX` | `docling:results` | The prefix used for storing the results in Redis. |
 | `DOCLING_SERVE_ENG_RQ_SUB_CHANNEL` | `docling:updates` | The channel key name used for storing communicating updates between the workers and the orchestrator. |
+| `DOCLING_SERVE_ENG_RQ_RESULTS_TTL` | `14400` (4 hours) | Time To Live (in seconds) for RQ job results in Redis. This controls how long job results are kept before being automatically deleted. |
 
 #### KFP engine