diff --git a/lenovo/t420/4.8-1420-g401f8c59bd/2018-09-06T16_31_10Z/revision.txt b/lenovo/t420/4.8-1420-g401f8c59bd/2018-09-06T16_31_10Z/revision.txt
new file mode 100644
index 0000000..7652608
--- /dev/null
+++ b/lenovo/t420/4.8-1420-g401f8c59bd/2018-09-06T16_31_10Z/revision.txt
@@ -0,0 +1,5 @@
+Local revision: 401f8c59bd
+Tagged revision: 4.8-1420-g401f8c59bd
+Upstream revision: 401f8c59bd
+Upstream URL: https://review.coreboot.org/coreboot.git
+Timestamp: 2018-09-06T16_31_10Z