diff --git a/NEWS b/NEWS
index 8d0159c..51f21dd 100644
--- a/NEWS
+++ b/NEWS
@@ -1,5 +1,13 @@
 Copyright (C) 2014 Tim Rühsen
 
+02.07.2014 Release V0.5.0
+  * added configure --enable-runtime to allow for IDNA library
+    selection as runtime dependency
+  * added configure --enable-builtin to allow for IDNA library
+    selection for generating the built-in PSL data
+  * fixed psl_str_to_utf8lower prototype
+  * fixed authors name to UTF-8
+
 23.06.2014 Release V0.4.0
   * depend on libicu for punycode, utf-8 and lowercase conversions
   * added function psl_str_to_utf8lower()
diff --git a/configure.ac b/configure.ac
index 4db2642..9419f8d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 
-AC_INIT([libpsl], [0.4.0], [tim.ruehsen@gmx.de], [libpsl], [http://github.com/rockdaboot/libpsl])
+AC_INIT([libpsl], [0.5.0], [tim.ruehsen@gmx.de], [libpsl], [http://github.com/rockdaboot/libpsl])
 AC_PREREQ([2.59])
 AM_INIT_AUTOMAKE([1.10 -Wall no-define foreign])
 
@@ -63,7 +63,7 @@ AS_IF([ test "$enable_man" != no ], [
 # 4. If any interfaces have been added, removed, or changed since the last update, increment current, and set revision to 0.
 # 5. If any interfaces have been added since the last public release, then increment age.
 # 6. If any existing interfaces have been removed or changed since the last public release, then set age to 0. 
-AC_SUBST([LIBPSL_SO_VERSION], [2:0:2])
+AC_SUBST([LIBPSL_SO_VERSION], [2:1:2])
 AC_SUBST([LIBPSL_VERSION], $VERSION)
 
 # Check for enable/disable builtin PSL data