diff --git a/nicovideo/__init__.py b/nicovideo/__init__.py
index 28965bb..4719644 100644
--- a/nicovideo/__init__.py
+++ b/nicovideo/__init__.py
@@ -12,7 +12,7 @@
 import json5
 from bs4 import BeautifulSoup as bs
 
-__version__ = '2.0.0'
+__version__ = '3.0.0'
 
 class Error():
     """ Errors """
diff --git a/setup.py b/setup.py
index 49fa32a..3a8e5ac 100644
--- a/setup.py
+++ b/setup.py
@@ -7,7 +7,7 @@
 
 setup(
     name='nicovideo.py',
-    version='2.0.0',
+    version='3.0.0',
     description='Get nicovideo\'s video metadata.',
     long_description=readme,
     long_description_content_type='text/markdown',