diff --git a/Doxyfile b/Doxyfile
index 56599aa5..547dea03 100644
--- a/Doxyfile
+++ b/Doxyfile
@@ -5,7 +5,7 @@
 #---------------------------------------------------------------------------
 
 PROJECT_NAME           = "Kiwano Engine"
-PROJECT_NUMBER         = v1.0.x
+PROJECT_NUMBER         = v1.1.x
 PROJECT_BRIEF          =
 PROJECT_LOGO           = logo/logo_tiny.png
 
diff --git a/appveyor.yml b/appveyor.yml
index c628a2c4..39d42d21 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,4 +1,4 @@
-version: 1.0.{build}
+version: 1.1.{build}
 
 skip_tags: true