diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
new file mode 100644
index 0000000..ad7f3a3
--- /dev/null
+++ b/.git-blame-ignore-revs
@@ -0,0 +1,2 @@
+# Move source files into an `src` directory.
+51c5f5759d667821fc94b9ed170de9a43dfbc848