diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
new file mode 100644
index 0000000..1b9ae0c
--- /dev/null
+++ b/.git-blame-ignore-revs
@@ -0,0 +1,2 @@
+# ktfmt 0.47 upgrade
+1560ff756b57b38ae004032e8e52e3986a6e820b