Index: configure.ac
==================================================================
--- configure.ac
+++ configure.ac
@@ -1,6 +1,6 @@
-AC_INIT(ObjFW, 0.90-dev, js@heap.zone)
+AC_INIT(ObjFW, 0.91-dev, js@heap.zone)
 BUILDSYS_INIT
 
 AS_IF([test configure.ac -nt configure], [
 	AC_MSG_ERROR([configure.ac is newer than configure! Run autoreconf!])
 ])