diff --git a/quickpay_api_client/api.py b/quickpay_api_client/api.py
index 779d78f..c25f91f 100644
--- a/quickpay_api_client/api.py
+++ b/quickpay_api_client/api.py
@@ -12,12 +12,17 @@
 
 
 class QPAdapter(HTTPAdapter):
+    def __init__(self, ssl_version=None, **kwargs):
+        self.ssl_version = ssl_version
+
+        super(QPAdapter, self).__init__(**kwargs)
+
+
     def init_poolmanager(self, connections, maxsize, block=False):
         self.poolmanager = PoolManager(num_pools=connections,
                                        maxsize=maxsize,
                                        block=block,
-                                       ssl_version=ssl.PROTOCOL_TLSv1_2)
-
+                                       ssl_version=self.ssl_version)
 
 class QPApi(object):
     api_version = '10'