diff --git a/libgimpmodule/gimpmodule.h b/libgimpmodule/gimpmodule.h
index d08266ab8c..596d6c6329 100644
--- a/libgimpmodule/gimpmodule.h
+++ b/libgimpmodule/gimpmodule.h
@@ -51,7 +51,7 @@ G_BEGIN_DECLS
  *  - one of the classes implemented by modules (currently #GimpColorDisplay,
  *    #GimpColorSelector and #GimpController).
  **/
-#define GIMP_MODULE_ABI_VERSION 0x0004
+#define GIMP_MODULE_ABI_VERSION 0x0005
 
 
 /**