diff --git a/ingestor/config.py b/ingestor/config.py
index 3d0bf20..dab6676 100644
--- a/ingestor/config.py
+++ b/ingestor/config.py
@@ -23,7 +23,7 @@ class GatewayConfig:
     grpc_enabled: bool = False
     grpc_port: int = 50051
     cert_bucket: str = 'sientia-dataops'
-    cert_cache_dir: str = '/tmp/opc-certs'  # noqa: S108 - default is spec'd, overridable via env
+    cert_cache_dir: str = '/tmp/opc-certs'  # noqa: S108 # nosec B108 - default is spec'd, overridable via env
     write_timestamp: bool = True
     write_quality: bool = True
     write_min_pause_s: float = 0.0