diff --git a/f4/15ac826bbfd2bc4e91eb20e47445ec6010ac8d b/f4/15ac826bbfd2bc4e91eb20e47445ec6010ac8d
new file mode 100644
index 0000000..b44a3ef
--- /dev/null
+++ b/f4/15ac826bbfd2bc4e91eb20e47445ec6010ac8d
@@ -0,0 +1 @@
+mass_update: mr4.5.12