diff --git a/audacity.dox b/audacity.dox
index b78fec492..375db7c3f 100644
--- a/audacity.dox
+++ b/audacity.dox
@@ -31,7 +31,7 @@ PROJECT_NAME           = Audacity
 # This could be handy for archiving the generated documentation or 
 # if some version control system is used.
 
-PROJECT_NUMBER         = 2.1.2
+PROJECT_NUMBER         = 2.1.3
 
 # The OUTPUT_DIRECTORY tag is used to specify the (relative or absolute) 
 # base path where the generated documentation will be put.