diff --git a/Doc/conf.py b/Doc/conf.py
index ab7c509..9c322de 100644
--- a/Doc/conf.py
+++ b/Doc/conf.py
@@ -42,7 +42,7 @@
 # The short X.Y version.
 version = '2.5'
 # The full version, including alpha/beta/rc tags.
-release = '2.5.1.0'
+release = '2.5.2.0'
 
 # There are two options for replacing |today|: either, you set today to some
 # non-false value, then it is used: