diff --git a/util/secscan/api.py b/util/secscan/api.py
index 4fc652b06..3e1d72cd0 100644
--- a/util/secscan/api.py
+++ b/util/secscan/api.py
@@ -246,18 +246,19 @@ class SecurityScannerAPI(object):
     url = urljoin(api_url, relative_url)
 
     client = self.config['HTTPCLIENT']
+    headers = {'Connection': 'close'}
     timeout = security_config.get('API_TIMEOUT_SECONDS', 1)
 
     with CloseForLongOperation(self.config):
       if method == 'POST':
         logger.debug('POSTing security URL %s', url)
         return client.post(url, json=body, params=params, timeout=timeout, cert=self._keys,
-                           verify=self._certificate)
+                           verify=self._certificate, headers=headers)
       elif method == 'DELETE':
         logger.debug('DELETEing security URL %s', url)
         return client.delete(url, params=params, timeout=timeout, cert=self._keys,
-                             verify=self._certificate)
+                             verify=self._certificate, headers=headers)
       else:
         logger.debug('GETing security URL %s', url)
         return client.get(url, params=params, timeout=timeout, cert=self._keys,
-                          verify=self._certificate)
+                          verify=self._certificate, headers=headers)