diff --git a/litellm/proxy/management_endpoints/key_management_endpoints.py b/litellm/proxy/management_endpoints/key_management_endpoints.py
index bbcd54c987c..6e963b095af 100644
--- a/litellm/proxy/management_endpoints/key_management_endpoints.py
+++ b/litellm/proxy/management_endpoints/key_management_endpoints.py
@@ -3410,6 +3410,7 @@ async def update_key_fn(
     - rpm_limit_type: Optional[str] - RPM rate limit type - "best_effort_throughput", "guaranteed_throughput", or "dynamic"
     - allowed_cache_controls: Optional[list] - List of allowed cache control values
     - duration: Optional[str] - Key validity duration ("30d", "1h", etc.), null to never expire, or "-1" to never expire (deprecated, use null)
+    - expires: Optional[datetime] - Absolute expiration timestamp. An explicitly supplied duration takes precedence
     - permissions: Optional[dict] - Key-specific permissions
     - send_invite_email: Optional[bool] - Send invite email to user_id
     - guardrails: Optional[List[str]] - List of active guardrails for the key
diff --git a/ui/litellm-dashboard/src/lib/http/schema.d.ts b/ui/litellm-dashboard/src/lib/http/schema.d.ts
index 98064894a80..3e583e2961d 100644
--- a/ui/litellm-dashboard/src/lib/http/schema.d.ts
+++ b/ui/litellm-dashboard/src/lib/http/schema.d.ts
@@ -8404,6 +8404,7 @@ export interface paths {
          *     - rpm_limit_type: Optional[str] - RPM rate limit type - "best_effort_throughput", "guaranteed_throughput", or "dynamic"
          *     - allowed_cache_controls: Optional[list] - List of allowed cache control values
          *     - duration: Optional[str] - Key validity duration ("30d", "1h", etc.), null to never expire, or "-1" to never expire (deprecated, use null)
+         *     - expires: Optional[datetime] - Absolute expiration timestamp. An explicitly supplied duration takes precedence
          *     - permissions: Optional[dict] - Key-specific permissions
          *     - send_invite_email: Optional[bool] - Send invite email to user_id
          *     - guardrails: Optional[List[str]] - List of active guardrails for the key