diff --git a/meson.build b/meson.build
index 68d5685937..976a84b6c0 100644
--- a/meson.build
+++ b/meson.build
@@ -51,7 +51,7 @@ gtk_version       = meson.project_version()
 gtk_major_version = gtk_version.split('.')[0].to_int()
 gtk_minor_version = gtk_version.split('.')[1].to_int()
 gtk_micro_version = gtk_version.split('.')[2].to_int()
-gtk_interface_age = 7
+gtk_interface_age = 16
 add_project_arguments('-DGTK_VERSION="@0@"'.format(meson.project_version()), language: 'c')
 
 add_project_arguments('-D_GNU_SOURCE', language: 'c')