1 files changed, 8 insertions, 0 deletions

diff --git a/netbox/django-driver.py b/netbox/django-driver.py
index 65a9136..80bfa13 100644
--- a/netbox/django-driver.py
+++ b/netbox/django-driver.py
@@ -28,12 +28,20 @@ class DatabaseWrapper(OrigWrapper):
         self._vault_cache_lock = threading.Lock()
         self._vault_cred_cache = Credential.empty()
 
+    def close(self):
+        self._vault_cred_cache = Credential.empty()
+        super().close()
+
     def close_if_unusable_or_obsolete(self):
         super().close_if_unusable_or_obsolete()
 
         if self.connection is None:
             return
 
+        if not self.is_usable():
+            self.close()
+            return
+
         with self._vault_cache_lock:
             if not self._vault_cred_cache.is_valid:
                 self.close()