diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
new file mode 100644
index 0000000..92331af
--- /dev/null
+++ b/.git-blame-ignore-revs
@@ -0,0 +1,2 @@
+# nixpkgs: format with `nixfmt`
+dc1c716ded39758062ed7e6bc410ad274119de9f