diff --git a/NEWS b/NEWS
index c2d8f6d57f..062a77e208 100644
--- a/NEWS
+++ b/NEWS
@@ -1,4 +1,4 @@
-Overview of Changes in GTK+ 3.24.19
+Overview of Changes in GTK+ 3.24.20
 ===================================
 
 * GtkFileChooser:
diff --git a/configure.ac b/configure.ac
index 3e04856b30..c0a3c7a024 100644
--- a/configure.ac
+++ b/configure.ac
@@ -10,8 +10,8 @@
 
 m4_define([gtk_major_version], [3])
 m4_define([gtk_minor_version], [24])
-m4_define([gtk_micro_version], [19])
-m4_define([gtk_interface_age], [15])
+m4_define([gtk_micro_version], [20])
+m4_define([gtk_interface_age], [16])
 m4_define([gtk_binary_age],
           [m4_eval(100 * gtk_minor_version + gtk_micro_version)])
 m4_define([gtk_version],
diff --git a/meson.build b/meson.build
index ba775e7c5c..68d5685937 100644
--- a/meson.build
+++ b/meson.build
@@ -1,5 +1,5 @@
 project('gtk+-3.0', 'c',
-        version: '3.24.19',
+        version: '3.24.20',
         default_options: [
           'buildtype=debugoptimized',
           'warning_level=1'