diff --git a/reference.txt b/reference.txt
new file mode 100644
index 00000000000..47582d8155e
--- /dev/null
+++ b/reference.txt
@@ -0,0 +1 @@
+ccf4522140c12b0093aefe0e2a27d62bcc4834a6
diff --git a/references.txt b/references.txt
index e4757f222e8..d319b48db3b 100644
--- a/references.txt
+++ b/references.txt
@@ -292,3 +292,4 @@ c27603f949e869148570ebb8bd3ec6db34a985b7
 c8c2455221baca20421082b7715eaa0a712af7f1
 41774e015e4f946bd57f0e2dc76522ed757860c4
 d410bad973f2fe90ea8239c4cb586fe0cfc13856
+6bb8d35316a92441d0a59417b49ad3a8c7037e45