diff --git a/nuon/models/app_queue_emitter.py b/nuon/models/app_queue_emitter.py
index 4ab108e4..e6bbca80 100644
--- a/nuon/models/app_queue_emitter.py
+++ b/nuon/models/app_queue_emitter.py
@@ -41,6 +41,8 @@ class AppQueueEmitter:
         org_id (str | Unset):
         queue_id (str | Unset): Many-to-one: each emitter belongs to exactly one queue
         scheduled_at (str | Unset): For scheduled mode: the time to fire the signal
+        signal_expires_in (int | Unset): Optional TTL for emitted signals. When set, each emitted signal's ExpiresAt
+            is computed as time.Now().Add(SignalExpiresIn) at emission time.
         signal_template (SignaldbSignalData | Unset):
         signal_type (str | Unset): Signal template - the signal to emit on each tick
         status (AppCompositeStatus | Unset):
@@ -63,6 +65,7 @@ class AppQueueEmitter:
     org_id: str | Unset = UNSET
     queue_id: str | Unset = UNSET
     scheduled_at: str | Unset = UNSET
+    signal_expires_in: int | Unset = UNSET
     signal_template: SignaldbSignalData | Unset = UNSET
     signal_type: str | Unset = UNSET
     status: AppCompositeStatus | Unset = UNSET
@@ -103,6 +106,8 @@ def to_dict(self) -> dict[str, Any]:
 
         scheduled_at = self.scheduled_at
 
+        signal_expires_in = self.signal_expires_in
+
         signal_template: dict[str, Any] | Unset = UNSET
         if not isinstance(self.signal_template, Unset):
             signal_template = self.signal_template.to_dict()
@@ -152,6 +157,8 @@ def to_dict(self) -> dict[str, Any]:
             field_dict["queue_id"] = queue_id
         if scheduled_at is not UNSET:
             field_dict["scheduled_at"] = scheduled_at
+        if signal_expires_in is not UNSET:
+            field_dict["signal_expires_in"] = signal_expires_in
         if signal_template is not UNSET:
             field_dict["signal_template"] = signal_template
         if signal_type is not UNSET:
@@ -207,6 +214,8 @@ def from_dict(cls: type[T], src_dict: Mapping[str, Any]) -> T:
 
         scheduled_at = d.pop("scheduled_at", UNSET)
 
+        signal_expires_in = d.pop("signal_expires_in", UNSET)
+
         _signal_template = d.pop("signal_template", UNSET)
         signal_template: SignaldbSignalData | Unset
         if isinstance(_signal_template, Unset):
@@ -248,6 +257,7 @@ def from_dict(cls: type[T], src_dict: Mapping[str, Any]) -> T:
             org_id=org_id,
             queue_id=queue_id,
             scheduled_at=scheduled_at,
+            signal_expires_in=signal_expires_in,
             signal_template=signal_template,
             signal_type=signal_type,
             status=status,
diff --git a/nuon/models/app_queue_signal.py b/nuon/models/app_queue_signal.py
index a75e1eeb..71d83d3e 100644
--- a/nuon/models/app_queue_signal.py
+++ b/nuon/models/app_queue_signal.py
@@ -28,6 +28,7 @@ class AppQueueSignal:
         emitter_id (str | Unset): Optional: if this signal was emitted by an emitter
         enqueued (bool | Unset):
         execution_count (int | Unset):
+        expires_at (str | Unset):
         id (str | Unset):
         org_id (str | Unset):
         owner_id (str | Unset):
@@ -47,6 +48,7 @@ class AppQueueSignal:
     emitter_id: str | Unset = UNSET
     enqueued: bool | Unset = UNSET
     execution_count: int | Unset = UNSET
+    expires_at: str | Unset = UNSET
     id: str | Unset = UNSET
     org_id: str | Unset = UNSET
     owner_id: str | Unset = UNSET
@@ -72,6 +74,8 @@ def to_dict(self) -> dict[str, Any]:
 
         execution_count = self.execution_count
 
+        expires_at = self.expires_at
+
         id = self.id
 
         org_id = self.org_id
@@ -119,6 +123,8 @@ def to_dict(self) -> dict[str, Any]:
             field_dict["enqueued"] = enqueued
         if execution_count is not UNSET:
             field_dict["execution_count"] = execution_count
+        if expires_at is not UNSET:
+            field_dict["expires_at"] = expires_at
         if id is not UNSET:
             field_dict["id"] = id
         if org_id is not UNSET:
@@ -165,6 +171,8 @@ def from_dict(cls: type[T], src_dict: Mapping[str, Any]) -> T:
 
         execution_count = d.pop("execution_count", UNSET)
 
+        expires_at = d.pop("expires_at", UNSET)
+
         id = d.pop("id", UNSET)
 
         org_id = d.pop("org_id", UNSET)
@@ -220,6 +228,7 @@ def from_dict(cls: type[T], src_dict: Mapping[str, Any]) -> T:
             emitter_id=emitter_id,
             enqueued=enqueued,
             execution_count=execution_count,
+            expires_at=expires_at,
             id=id,
             org_id=org_id,
             owner_id=owner_id,
diff --git a/pyproject.toml b/pyproject.toml
index 93f89e84..a9a97814 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "nuon"
-version = "0.19.968"
+version = "0.19.970"
 description = "A client library for accessing Nuon"
 authors = []
 requires-python = ">=3.10"
diff --git a/version.txt b/version.txt
index 838b8ee3..6174320b 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-0.19.968
+0.19.970