diff --git a/telegram/base.py b/telegram/base.py
index 4123d1412..6d0fe7ff1 100644
--- a/telegram/base.py
+++ b/telegram/base.py
@@ -18,7 +18,11 @@
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
 """Base class for Telegram Objects."""
 
-import json
+try:
+    import ujson as json
+except ImportError:
+    import json
+
 from abc import ABCMeta
 
 
diff --git a/telegram/utils/request.py b/telegram/utils/request.py
index 696e6d95c..5a0845f28 100644
--- a/telegram/utils/request.py
+++ b/telegram/utils/request.py
@@ -18,7 +18,10 @@
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
 """This module contains methods to make POST and GET requests"""
 
-import json
+try:
+    import ujson as json
+except ImportError:
+    import json
 import os
 import socket
 import logging
diff --git a/telegram/utils/webhookhandler.py b/telegram/utils/webhookhandler.py
index 3abd9a2b3..14c60d3a8 100644
--- a/telegram/utils/webhookhandler.py
+++ b/telegram/utils/webhookhandler.py
@@ -3,7 +3,10 @@ import logging
 from telegram import Update
 from future.utils import bytes_to_native_str
 from threading import Lock
-import json
+try:
+    import ujson as json
+except ImportError:
+    import json
 try:
     import BaseHTTPServer
 except ImportError: