diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
new file mode 100644
index 0000000000..ceac94dfa3
--- /dev/null
+++ b/.git-blame-ignore-revs
@@ -0,0 +1,2 @@
+# Reformat with black, isort, docformatter, etc.
+e40ac28317c61ea90345d3499986957b0e1c9134