diff --git a/library.properties b/library.properties
index fbd7fbf0..cfc24522 100644
--- a/library.properties
+++ b/library.properties
@@ -1,9 +1,9 @@
 name=Embedded Template Library
-version=9.0.0
+version=9.1.0
 author= John Wellbelove <john.wellbelove@etlcpp.com>
 maintainer=John Wellbelove <john.wellbelove@etlcpp.com>
 sentence=A C++ template library tailored for embedded systems.
 paragraph=Requires some support from STL. See http://andybrown.me.uk/2011/01/15/the-standard-template-library-stl-for-avr-with-c-streams/
 category=Other
 url=http://www.etlcpp.com/
-architectures=* 
+architectures=*