diff --git a/src/doc/conf.py b/src/doc/conf.py
index 86bfd6542aa804bbd29bd734b1f9e44cd23be737..0027ef7af1b0c53157b30db86c12715ac58c6e27 100644
--- a/src/doc/conf.py
+++ b/src/doc/conf.py
@@ -27,7 +27,7 @@ author = 'Daniel Hornung'
 # The short X.Y version
 version = '0.5'
 # The full version, including alpha/beta/rc tags
-release = '0.5.0
+release = '0.5.0'
 
 
 # -- General configuration ---------------------------------------------------