diff --git a/NEWS b/NEWS
index 4cf706fb4..9daa0dfc3 100644
--- a/NEWS
+++ b/NEWS
@@ -46,6 +46,8 @@ Overview of changes in GLib 2.45.3
  750399 Typo "equilalent" in glib documentation's glib-Error-Reporting.html...
  750573 GTlsDatabaseClass is not documented
  750918 genmarshal: silence register storage class warnings
+ 751122 gsocket: avoid unnecessary g_socket_cond_wait() in _send_messages()
+ 479730 The "g_key_file_set_comment" interface prepends '#' character to...
 
 * Translation updates:
  Hungarian
diff --git a/configure.ac b/configure.ac
index 60423e433..92226d86c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -31,7 +31,7 @@ m4_define(glib_configure_ac)
 
 m4_define([glib_major_version], [2])
 m4_define([glib_minor_version], [45])
-m4_define([glib_micro_version], [2])
+m4_define([glib_micro_version], [3])
 m4_define([glib_interface_age], [0])
 m4_define([glib_binary_age],
           [m4_eval(100 * glib_minor_version + glib_micro_version)])