diff --git a/appstoreconnect/api.py b/appstoreconnect/api.py
index 36085ca..b7192d9 100644
--- a/appstoreconnect/api.py
+++ b/appstoreconnect/api.py
@@ -452,8 +452,7 @@ def read_beta_group_information(self, beta_group_ip):
 
 	def add_build_to_beta_group(self, beta_group_id, build_id):
 		post_data = {'data': [{ 'id': build_id, 'type': 'builds'}]}
-		payload = self._api_call(BASE_API + "/v1/betaGroups/" + beta_group_id + "/relationships/builds", HttpMethod.POST, post_data)
-		return BetaGroup(payload.get('data'), {})
+		self._api_call(BASE_API + "/v1/betaGroups/" + beta_group_id + "/relationships/builds", HttpMethod.POST, post_data)
 
 	# App Resources
 	def read_app_information(self, app_ip):
diff --git a/setup.py b/setup.py
index 6d1ea0f..23f2c88 100644
--- a/setup.py
+++ b/setup.py
@@ -17,7 +17,7 @@
 REQUIRED = [
     'requests>=2.20.1,==2.*',
     'PyJWT>=1.6.4,==1.*',
-    'cryptography>=2.6.1,==2.*',
+    'cryptography>=2.6.1',
 ]
 
 EXTRAS = {