diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
new file mode 100644
index 0000000..0ca428e
--- /dev/null
+++ b/.git-blame-ignore-revs
@@ -0,0 +1,2 @@
+# reformat with ruff
+4f4d8cb479fe84ff5c14c5f1aadf0dd0e4856c69