diff --git a/configure.ac b/configure.ac
index a6c8eaca8..03563d3cb 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,4 @@
-AC_INIT(libgdiplus, [5.4], 
+AC_INIT(libgdiplus, [5.6], 
 	[https://bugzilla.xamarin.com/enter_bug.cgi?product=Class%20Libraries&component=libgdiplus])
 	AC_CONFIG_SRCDIR([README])