diff --git a/configure.ac b/configure.ac
index 53872f9b1..dfc4a91af 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,4 @@
-AC_INIT(NI-Neutrino,3.40.0)
+AC_INIT(NI-Neutrino,3.50.0)
 AM_INIT_AUTOMAKE([1.0.1 nostdinc])
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES])