diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
new file mode 100644
index 000000000..dd8154c1e
--- /dev/null
+++ b/.git-blame-ignore-revs
@@ -0,0 +1,4 @@
+# Run `git config blame.ignoreRevsFile .git-blame-ignore-revs` to make git blame ignore below revisions
+
+# clang-format
+20f3b51db9bb3ff99a76926ab21ff72ab6563795