diff --git a/NEWS b/NEWS
index e0f89d4..83f8a48 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,24 @@
+Overview of changes in GLib 2.56.4
+==================================
+
+* Various buffer overflow fixes in GMarkup/GVariant/GDBus (#1582)
+
+* Bug fixes:
+ #1588 Moving a bookmark item to the same URI causes a crash
+ #1582 Backport GMarkup/GVariant/GDBus fixes to glib-2-58 and glib-2-56
+
+* Translation updates:
+ Brazilian Portuguese
+ Czech
+ German
+ Hungarian
+ Indonesian
+ Lithuanian
+ Polish
+ Slovenian
+ Swedish
+
+
 Overview of changes in GLib 2.56.3
 ==================================
 
diff --git a/configure.ac b/configure.ac
index 99f1ae2..a4be13e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -31,8 +31,8 @@
 
 m4_define([glib_major_version], [2])
 m4_define([glib_minor_version], [56])
-m4_define([glib_micro_version], [3])
-m4_define([glib_interface_age], [3])
+m4_define([glib_micro_version], [4])
+m4_define([glib_interface_age], [4])
 m4_define([glib_binary_age],
           [m4_eval(100 * glib_minor_version + glib_micro_version)])
 m4_define([glib_version],
diff --git a/meson.build b/meson.build
index a28642e..0cefee5 100644
--- a/meson.build
+++ b/meson.build
@@ -1,5 +1,5 @@
 project('glib', 'c', 'cpp',
-  version : '2.56.3',
+  version : '2.56.4',
   meson_version : '>= 0.44.0',
   default_options : [
     'warning_level=1',