diff --git a/NEWS b/NEWS
index 3701282545..b32638ee52 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,38 @@
+Overview of Changes in GTK+ 3.24.15
+===================================
+
+* filechooser:
+ - Fix a crash
+ - Support selecting directories with a new enough
+   file chooser portal
+
+* textview:
+ - Speed up tag handling
+
+* wayland:
+ - Fix problems with clipboard handling
+ - Fix a crash in the Wayland input method
+ - Support cursor scale of 400%
+ - Fix a crash in glade
+
+* css: Support font-feature-settings
+
+* Adwaita:
+ - Use tabular figures where appropriate
+ - Color tweaks for dark mode
+ - Improve rendering of rounded corners
+
+* Translation updates
+ Dutch
+ German
+ Japanese
+ Korean
+ Lithuanian
+ Norwegian Bokmål
+ Persian
+ Ukrainian
+
+
 Overview of Changes in GTK+ 3.24.14
 ===================================
 
diff --git a/configure.ac b/configure.ac
index 562636b11b..dab17fe01a 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], [14])
-m4_define([gtk_interface_age], [10])
+m4_define([gtk_micro_version], [15])
+m4_define([gtk_interface_age], [11])
 m4_define([gtk_binary_age],
           [m4_eval(100 * gtk_minor_version + gtk_micro_version)])
 m4_define([gtk_version],