diff --git a/slackclient/_client.py b/slackclient/_client.py
index 00b0225cd..4a0efd8f2 100644
--- a/slackclient/_client.py
+++ b/slackclient/_client.py
@@ -22,10 +22,11 @@ class SlackClient(object):
             `here <https://api.slack.com/docs/oauth-test-tokens>`_
             Note: Be `careful with your token <https://api.slack.com/docs/oauth-safety>`_
     '''
-    def __init__(self, token):
+
+    def __init__(self, token, proxies=None):
 
         self.token = token
-        self.server = Server(self.token, False)
+        self.server = Server(self.token, False, proxies)
 
     def append_user_agent(self, name, version):
         self.server.append_user_agent(name, version)
diff --git a/slackclient/_server.py b/slackclient/_server.py
index cc413a481..2a485d81a 100644
--- a/slackclient/_server.py
+++ b/slackclient/_server.py
@@ -1,11 +1,13 @@
-from slackclient._slackrequest import SlackRequest
-from slackclient._channel import Channel
-from slackclient._user import User
-from slackclient._util import SearchList, SearchDict
+import json
 from ssl import SSLError
 
+from requests.packages.urllib3.util.url import parse_url
 from websocket import create_connection
-import json
+
+from slackclient._channel import Channel
+from slackclient._slackrequest import SlackRequest
+from slackclient._user import User
+from slackclient._util import SearchList, SearchDict
 
 
 class Server(object):
@@ -14,7 +16,8 @@ class Server(object):
 
 
     '''
-    def __init__(self, token, connect=True):
+
+    def __init__(self, token, connect=True, proxies=None):
         self.token = token
         self.username = None
         self.domain = None
@@ -24,7 +27,8 @@ def __init__(self, token, connect=True):
         self.channels = SearchList()
         self.connected = False
         self.ws_url = None
-        self.api_requester = SlackRequest()
+        self.proxies = proxies
+        self.api_requester = SlackRequest(proxies)
 
         if connect:
             self.rtm_connect()
diff --git a/slackclient/_slackrequest.py b/slackclient/_slackrequest.py
index 30a5404bc..f61ddc42d 100644
--- a/slackclient/_slackrequest.py
+++ b/slackclient/_slackrequest.py
@@ -9,8 +9,7 @@
 
 
 class SlackRequest(object):
-    def __init__(self):
-
+    def __init__(self, proxies=None):
         # __name__ returns 'slackclient._slackrequest', we only want 'slackclient'
         client_name = __name__.split('.')[0]
         client_version = __version__  # Version is returned from version.py
@@ -21,7 +20,7 @@ def __init__(self):
             "python": "Python/{v.major}.{v.minor}.{v.micro}".format(v=sys.version_info),
             "system": "{0}/{1}".format(platform.system(), platform.release())
         }
-
+        self.proxies = proxies
         self.custom_user_agent = None
 
     def get_user_agent(self):
@@ -76,4 +75,4 @@ def do(self, token, request="?", post_data=None, domain="slack.com", timeout=Non
         post_data['token'] = token
         headers = {'user-agent': self.get_user_agent()}
 
-        return requests.post(url, headers=headers, data=post_data, files=files, timeout=timeout)
+        return requests.post(url, headers=headers, data=post_data, files=files, timeout=timeout, proxies=self.proxies)