diff --git a/sendgrid/sendgrid.py b/sendgrid/sendgrid.py
index <HASH>..<HASH> 100644
--- a/sendgrid/sendgrid.py
+++ b/sendgrid/sendgrid.py
@@ -20,7 +20,6 @@ class SendGridAPIClient(object):
 

         headers = {

             "Authorization": 'Bearer {0}'.format(self._apikey),

-            "Content-Type": "application/json",

             "User-agent": self.useragent

         }

 

diff --git a/setup.py b/setup.py
index <HASH>..<HASH> 100644
--- a/setup.py
+++ b/setup.py
@@ -11,7 +11,7 @@ if os.path.exists('README.txt'):
     long_description = open('README.txt').read()

 

 def getRequires():

-    deps = ['python_http_client>=2.0.0']

+    deps = ['python_http_client>=2.1.0']

     if sys.version_info < (2, 7):

         deps.append('unittest2')

     elif (3, 0) <= sys.version_info < (3, 2):
Udpdated dependency, content-type now gets set in the client automatically