diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
new file mode 100644
index 0000000..66dfc2f
--- /dev/null
+++ b/.git-blame-ignore-revs
@@ -0,0 +1,2 @@
+# rustfmt bulk reformat (maint)
+13c0b70dc3111cf94fef217b0f8b5fdbe469d3eb