diff --git a/mingw-w64-crt/configure.ac b/mingw-w64-crt/configure.ac
index b0ebbee..38e4850 100644
--- a/mingw-w64-crt/configure.ac
+++ b/mingw-w64-crt/configure.ac
@@ -3,7 +3,7 @@
 # Use AM_MAINTANER_MODE somewhere in this file once reconfigurations settle down.
 
 AC_PREREQ([2.65])
-AC_INIT([mingw-w64-runtime],[1.0b],[mingw-w64-public@lists.sourceforge.net])
+AC_INIT([mingw-w64-runtime],[1.0],[mingw-w64-public@lists.sourceforge.net])
 AC_CONFIG_AUX_DIR([build-aux])
 AC_CONFIG_SRCDIR([ChangeLog])
 AC_CONFIG_HEADER([config.h])
diff --git a/mingw-w64-headers/configure.ac b/mingw-w64-headers/configure.ac
index cff54eb..d1bbb9b 100644
--- a/mingw-w64-headers/configure.ac
+++ b/mingw-w64-headers/configure.ac
@@ -2,7 +2,7 @@
 # Process this file with autoconf to produce a configure script.
 
 AC_PREREQ([2.65])
-AC_INIT([mingw-w64-headers],[1.0b],[mingw-w64-public@lists.sourceforge.net])
+AC_INIT([mingw-w64-headers],[1.0],[mingw-w64-public@lists.sourceforge.net])
 AC_CONFIG_SRCDIR([include/_mingw.h])
 AC_CONFIG_AUX_DIR([build-aux])
 AC_CONFIG_HEADERS([config.h])