diff --git a/dnacentersdk/api/authentication.py b/dnacentersdk/api/authentication.py
index 527e3e06..e8359c9f 100644
--- a/dnacentersdk/api/authentication.py
+++ b/dnacentersdk/api/authentication.py
@@ -79,7 +79,7 @@ def __init__(self, base_url, object_factory, single_request_timeout=None,
 
         """
         check_type(base_url, basestring, may_be_none=False)
-        check_type(single_request_timeout, int)
+        check_type(single_request_timeout, (int,float))
         check_type(verify, (bool, basestring), may_be_none=False)
 
         super(Authentication, self).__init__()