diff --git a/fast_agave/exc.py b/fast_agave/exc.py
index be1ee74..5727f5a 100644
--- a/fast_agave/exc.py
+++ b/fast_agave/exc.py
@@ -53,6 +53,11 @@ class FastAgaveViewError(FastAgaveError):
     status_code: int = 500
 
 
+@dataclass
+class ServiceUnavailableError(FastAgaveError):
+    status_code: int = 503
+
+
 @dataclass
 class RetryTask(Exception):
     countdown: Optional[int] = None
diff --git a/fast_agave/version.py b/fast_agave/version.py
index ef91994..092052c 100644
--- a/fast_agave/version.py
+++ b/fast_agave/version.py
@@ -1 +1 @@
-__version__ = '0.14.0'
+__version__ = '0.14.1'