diff --git a/configure.ac b/configure.ac
index 7ab3d273..01d2b494 100644
--- a/configure.ac
+++ b/configure.ac
@@ -120,8 +120,13 @@ PKG_PROG_PKG_CONFIG
 dnl ---------------------------------------------------------------------
 dnl PKG_CONFIG based dependencies
 dnl ---------------------------------------------------------------------
+glib_min_major="2"
+glib_min_minor="40"
+glib_min_version="${glib_min_major}.${glib_min_minor}"
 NK_INIT([bindings xdg-theme])
-PKG_CHECK_MODULES([glib],     [glib-2.0 >= 2.40 gio-unix-2.0 gmodule-2.0])
+PKG_CHECK_MODULES([glib],     [glib-2.0 >= ${glib_min_version} gio-unix-2.0 gmodule-2.0])
+AC_DEFINE_UNQUOTED([GLIB_VERSION_MIN_REQUIRED], [(G_ENCODE_VERSION(${glib_min_major},${glib_min_minor}))], [The lower GLib version supported])
+AC_DEFINE_UNQUOTED([GLIB_VERSION_MAX_ALLOWED], [(G_ENCODE_VERSION(${glib_min_major},${glib_min_minor}))], [The highest GLib version supported])
 GW_CHECK_XCB([xcb-aux xcb-xkb xkbcommon xkbcommon-x11 xcb-ewmh xcb-icccm xcb-xrm xcb-randr xcb-xinerama])
 PKG_CHECK_MODULES([pango],    [pango pangocairo])
 PKG_CHECK_MODULES([cairo],	  [cairo cairo-xcb])
diff --git a/meson.build b/meson.build
index 087cd300..cb350729 100644
--- a/meson.build
+++ b/meson.build
@@ -31,8 +31,11 @@ endforeach
 plugindir = join_paths(get_option('libdir'), meson.project_name())
 themedir = join_paths(get_option('datadir'), meson.project_name(), 'themes')
 
+glib_min_major=2
+glib_min_minor=40
+glib_min_version='@0@.@1@'.format(glib_min_major, glib_min_minor)
 plugins_deps = [
-    dependency('glib-2.0', version: '>= 2.40'),
+    dependency('glib-2.0', version: '>= @0@'.format(glib_min_version)),
     dependency('gmodule-2.0'),
     dependency('cairo'),
 ]
@@ -77,6 +80,9 @@ header_conf.set('_GNU_SOURCE', true)
 
 header_conf.set('USE_NK_GIT_VERSION', true)
 
+header_conf.set('GLIB_VERSION_MIN_REQUIRED', '(G_ENCODE_VERSION(@0@,@1@))'.format(glib_min_major, glib_min_minor))
+header_conf.set('GLIB_VERSION_MAX_ALLOWED', '(G_ENCODE_VERSION(@0@,@1@))'.format(glib_min_major, glib_min_minor))
+
 header_conf.set('ENABLE_DRUN', get_option('drun'))
 header_conf.set('WINDOW_MODE', get_option('window'))
 header_conf.set('TIMINGS', get_option('timings'))