diff --git a/NEWS b/NEWS
index f2475ab..c7cc62c 100644
--- a/NEWS
+++ b/NEWS
@@ -1,8 +1,20 @@
-libmodbus 3.1.3 (XXXX-XX-XX)
+libmodbus 3.1.3 (2016-05-11)
 ============================
 
-- Introduce offsets in modbus mappings.
-- Add some more macros for data manipulation.
+- New bswap macros for Max OSX by Jakob Bysewski.
+- Fix "wildcard address" in TCP IPv6 by Shoichi Sakane.
+- Introduce offsets in modbus mappings with modbus_mapping_new_start_address.
+  Thanks to Michael Heimpold and Stéphane Raimbault.
+- Fix address range in random-test-client.
+  Thanks to Martin Galvan.
+- Add an option to disable tests compilation by Yegor Yefremov.
+- Define MSG_DONTWAIT to MSG_NONBLOCK on AIX (#294).
+  Thanks to Fabrice Cantos.
+- Fix building when byteswap.h is not defined by Tomasz Mon.
+- Add some more macros for data manipulation and documentation.
+- Remove duplicate install of modbus.h (closes #290).
+  Thanks to Daniel Sutcliffe.
+- Move MIGRATION and README.md to dist_doc_DATA target.
 - Change order of few functions in modbus RTU code.
 - Add entries for modbus_rtu_[get|set]_delay in documentation index.
 - Implemented runtime configurable RTS delay by Jimmy Bergström.
@@ -12,7 +24,7 @@ libmodbus 3.1.3 (XXXX-XX-XX)
 - Added ILLEGAL_DATA_ADDRESS tests for modbus_write_register[|s].
   Thanks to Andrey Skvortsov.
 - Update documentation of modbus_rtu_set_rts
-- fix rts signal switch time by Hiromasa Ihara.
+- Fix rts signal switch time by Hiromasa Ihara.
 - Improve new_rtu and set_slave documentation (related to #276).
 - Fix late check of ctx in modbus_reply[|_exception] (closes #269).
 - Wait the server for 1 second before running tests (help Travis).
diff --git a/configure.ac b/configure.ac
index ddb9532..e8df6a7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -13,7 +13,7 @@
 #
 m4_define([libmodbus_version_major], [3])
 m4_define([libmodbus_version_minor], [1])
-m4_define([libmodbus_version_micro], [2])
+m4_define([libmodbus_version_micro], [3])
 
 m4_define([libmodbus_release_status],
     [m4_if(m4_eval(libmodbus_version_minor % 2), [1], [snapshot], [release])])