Update version in documentation.
diff --git a/share/doc/src/conf.py b/share/doc/src/conf.py
index 6fd9112..8c352d6 100644
--- a/share/doc/src/conf.py
+++ b/share/doc/src/conf.py
@@ -20,9 +20,9 @@
 
 nitpicky = True
 
-version = "1.3"
+version = "1.4"
 
-release = "1.3.0"
+release = "1.4.0"
 
 project = u"Apache CouchDB"