diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
new file mode 100644
index 00000000..ae4e1bc1
--- /dev/null
+++ b/.git-blame-ignore-revs
@@ -0,0 +1,2 @@
+# rerun clang-format with 132 line width
+dc6582bf8c1520a632dca98b11974048ad89fe16