diff --git a/README b/README
index 1cd8cee24..0a07d458d 100644
--- a/README
+++ b/README
@@ -9,7 +9,7 @@ REQUIREMENTS
 
 Clutter currently requires:
 
-  • GLib >= 2.16.0
+  • GLib >= 2.18.0
   • Cairo >= 1.6
   • PangoCairo >= 1.20
   • OpenGL >= 1.3 or 1.2+multitexturing, OpenGL ES 1.1 or OpenGL ES 2.0
diff --git a/configure.ac b/configure.ac
index a9897fdc1..c4701a9e3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -762,7 +762,7 @@ AS_IF([test "x$enable_maintainer_flags" = "xyes" && test "x$GCC" = "xyes"],
 AC_SUBST(MAINTAINER_CFLAGS)
 
 dnl === Dependencies, compiler flags and linker libraries =====================
-CLUTTER_REQUIRES="cairo >= 1.4 pangocairo >= 1.20 gobject-2.0 >= 2.16 gthread-2.0 gmodule-no-export-2.0 $IMAGE_PC_FILES $BACKEND_PC_FILES $JSON_GLIB_PC"
+CLUTTER_REQUIRES="cairo >= 1.4 pangocairo >= 1.20 gobject-2.0 >= 2.18 gthread-2.0 gmodule-no-export-2.0 $IMAGE_PC_FILES $BACKEND_PC_FILES $JSON_GLIB_PC"
 
 PKG_CHECK_MODULES(CLUTTER_DEPS, [$CLUTTER_REQUIRES])