diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
new file mode 100644
index 0000000..036dc8e
--- /dev/null
+++ b/.git-blame-ignore-revs
@@ -0,0 +1,3 @@
+# Commits whose changes git blame should skip (whitespace-only sweeps).
+# Enable locally: git config blame.ignoreRevsFile .git-blame-ignore-revs
+aec052306234e3c4313c0ee8905e2557d3c3671b