diff --git a/pypinyin/phrases_dict.py b/pypinyin/phrases_dict.py
index fedb7fd..c4bab7b 100644
--- a/pypinyin/phrases_dict.py
+++ b/pypinyin/phrases_dict.py
@@ -1,6 +1,7 @@
 # -*- coding: utf-8 -*-
 from __future__ import unicode_literals
 
+from codecs import open
 import json
 import os
 
diff --git a/pypinyin/pinyin_dict.py b/pypinyin/pinyin_dict.py
index 08434b5..9a8882f 100644
--- a/pypinyin/pinyin_dict.py
+++ b/pypinyin/pinyin_dict.py
@@ -1,6 +1,7 @@
 # -*- coding: utf-8 -*-
 from __future__ import unicode_literals
 
+from codecs import open
 import json
 import os