diff --git a/configure.ac b/configure.ac
index b069d120f827f0ff2baddbebd68db35ddc034b15..76fccdb617df6eb9530fe9f30f5d40e4d869218c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 AC_PREREQ([2.63])
-AC_INIT([LALSuite],[6.56],[lal-discuss@ligo.org])
+AC_INIT([LALSuite],[6.57],[lal-discuss@ligo.org])
 AC_CONFIG_SRCDIR([configure.ac])
 AC_CONFIG_AUX_DIR([gnuscripts])
 AC_CONFIG_MACRO_DIR([gnuscripts])