diff --git a/doc/en/source/conf.py b/doc/en/source/conf.py
index 658b156..06099b3 100644
--- a/doc/en/source/conf.py
+++ b/doc/en/source/conf.py
@@ -57,7 +57,7 @@
 # The short X.Y version.
 version = u'3.0'
 # The full version, including alpha/beta/rc tags.
-release = u'3.0-dev'
+release = u'3.0.0'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/doc/ja/source/conf.py b/doc/ja/source/conf.py
index 04c72e1..c65b70e 100644
--- a/doc/ja/source/conf.py
+++ b/doc/ja/source/conf.py
@@ -23,7 +23,7 @@
 
 version = '3.0'
 # The full version, including alpha/beta/rc tags
-release = '3.0-dev'
+release = '3.0.0'
 
 # -- General configuration ---------------------------------------------------