diff --git a/CHANGES b/CHANGES
index 05e694783..74ec4143e 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,5 +1,9 @@
 Changelog
 
+2.4.2
+
+#563 - Fix typo introduced by PR 559
+
 2.4.1
 
 Major changes
diff --git a/configure b/configure
index b89f7f001..81d8c3565 100755
--- a/configure
+++ b/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69 for libsrtp2 2.4.2-pre.
+# Generated by GNU Autoconf 2.69 for libsrtp2 2.4.2.
 #
 # Report bugs to <https://github.com/cisco/libsrtp/issues>.
 #
@@ -580,8 +580,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='libsrtp2'
 PACKAGE_TARNAME='libsrtp2'
-PACKAGE_VERSION='2.4.2-pre'
-PACKAGE_STRING='libsrtp2 2.4.2-pre'
+PACKAGE_VERSION='2.4.2'
+PACKAGE_STRING='libsrtp2 2.4.2'
 PACKAGE_BUGREPORT='https://github.com/cisco/libsrtp/issues'
 PACKAGE_URL=''
 
@@ -1288,7 +1288,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures libsrtp2 2.4.2-pre to adapt to many kinds of systems.
+\`configure' configures libsrtp2 2.4.2 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1354,7 +1354,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of libsrtp2 2.4.2-pre:";;
+     short | recursive ) echo "Configuration of libsrtp2 2.4.2:";;
    esac
   cat <<\_ACEOF
 
@@ -1467,7 +1467,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-libsrtp2 configure 2.4.2-pre
+libsrtp2 configure 2.4.2
 generated by GNU Autoconf 2.69
 
 Copyright (C) 2012 Free Software Foundation, Inc.
@@ -2020,7 +2020,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by libsrtp2 $as_me 2.4.2-pre, which was
+It was created by libsrtp2 $as_me 2.4.2, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   $ $0 $@
@@ -7159,7 +7159,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by libsrtp2 $as_me 2.4.2-pre, which was
+This file was extended by libsrtp2 $as_me 2.4.2, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -7221,7 +7221,7 @@ _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-libsrtp2 config.status 2.4.2-pre
+libsrtp2 config.status 2.4.2
 configured by $0, generated by GNU Autoconf 2.69,
   with options \\"\$ac_cs_config\\"
 
diff --git a/configure.ac b/configure.ac
index df1c67268..34aff3219 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 dnl Process this file with autoconf to produce a configure script.
-AC_INIT([libsrtp2], [2.4.2-pre], [https://github.com/cisco/libsrtp/issues])
+AC_INIT([libsrtp2], [2.4.2], [https://github.com/cisco/libsrtp/issues])
 
 dnl Must come before AC_PROG_CC
 EMPTY_CFLAGS="no"