diff --git a/conf.py b/conf.py
index 406bf42a..8efa065b 100644
--- a/conf.py
+++ b/conf.py
@@ -55,9 +55,9 @@
 # built documents.
 #
 # The short X.Y version.
-version = 'master'
+version = '4.3.0'
 # The full version, including alpha/beta/rc tags.
-release = 'master'
+release = '4.3.0'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.