diff --git a/awesomeConfig.cmake b/awesomeConfig.cmake
index 6371551b..a2a9c860 100644
--- a/awesomeConfig.cmake
+++ b/awesomeConfig.cmake
@@ -123,7 +123,7 @@ pkg_check_modules(AWESOME_COMMON_REQUIRED REQUIRED
     xcb>=1.6)
 
 set(AWESOME_DEPENDENCIES
-    glib-2.0
+    glib-2.0>=2.40
     gdk-pixbuf-2.0
     cairo
     x11
diff --git a/docs/01-readme.md b/docs/01-readme.md
index 5d5cdd6c..f687d40e 100644
--- a/docs/01-readme.md
+++ b/docs/01-readme.md
@@ -53,7 +53,7 @@ environment):
   introspection
 - [Pango](http://www.pango.org/) with support for Cairo and GObject
   introspection
-- [GLib](https://wiki.gnome.org/Projects/GLib) with support for GObject
+- [GLib >= 2.40](https://wiki.gnome.org/Projects/GLib) with support for GObject
   introspection
 - [GIO](https://developer.gnome.org/gio/stable/) with support for GObject
   introspection
diff --git a/spawn.c b/spawn.c
index 334ebcbd..0f1e6db1 100644
--- a/spawn.c
+++ b/spawn.c
@@ -498,7 +498,7 @@ luaA_spawn(lua_State *L)
         g_timeout_add_seconds(AWESOME_SPAWN_TIMEOUT, spawn_launchee_timeout, context);
     }
 
-    flags |= G_SPAWN_SEARCH_PATH;
+    flags |= G_SPAWN_SEARCH_PATH | G_SPAWN_CLOEXEC_PIPES;
     retval = g_spawn_async_with_pipes(NULL, argv, NULL, flags,
                                       spawn_callback, context, &pid,
                                       stdin_ptr, stdout_ptr, stderr_ptr, &error);