diff --git a/doc/Doxyfile b/doc/Doxyfile
index 574f38822de902039f2447b9133dcd94420054bc..f35ea145a1c6a82522cb621a73ccfc12e00cfd57 100644
--- a/doc/Doxyfile
+++ b/doc/Doxyfile
@@ -38,7 +38,7 @@ PROJECT_NAME           = "Sokoban"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 1.0.0
+PROJECT_NUMBER         = 1.0.1
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a