diff --git a/rattail_nationbuilder/nationbuilder/webapi.py b/rattail_nationbuilder/nationbuilder/webapi.py
index 65a7810..936315b 100644
--- a/rattail_nationbuilder/nationbuilder/webapi.py
+++ b/rattail_nationbuilder/nationbuilder/webapi.py
@@ -38,7 +38,6 @@ class NationBuilderWebAPI(object):
                  max_retries=None, **kwargs):
         self.config = config
         self.app = self.config.get_app()
-        self.session = None
 
         self.base_url = base_url or self.config.require(
             'nationbuilder', 'api.base_url')
@@ -69,8 +68,8 @@ class NationBuilderWebAPI(object):
         params['access_token'] = self.access_token
 
         if request_method == 'GET':
-            response = requests.get('{}/{}'.format(self.base_url, api_method),
-                                    params=params)
+            response = self.session.get('{}/{}'.format(self.base_url, api_method),
+                                        params=params)
 
         else:
             raise NotImplementedError("unknown request method: {}".format(